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Part $1$

Prepare a time$-$function mapLOADING... for getting a shoe shine using the steps below.

$1.$ Customer provides instructions$(5$ sec$.)$

$2.$ Operator brushes shoes$(10$ sec$.)$

$3.$ Operator cleans shoes$(30$ sec$.)$

$4.$ Operator applies polish$(30$ sec$.)$

$5.$ Operator buffs shoes$(45$ sec$.)$

$6.$ Operator requests approval and payment$(5$ sec$.)$

$7.$ Customer pays and tips$(20$ sec$.)$

Part $2$

Choose the correct flow chart.

A$.$

Operator

Customer

$1$

$2$

$3$

$4$

$6$

$5$ sec$.$

$10$ sec$.$

$30$ sec$.$

$30$ sec$.$

$45$ sec$.$

$145$ sec$.$

$5$

$7$

$5$ sec$.$

$20$ sec$.$

Seven squares are arranged in two rows and seven columns. Row $1$ is titled Customer and row $2$ is titled Operator. The column titles are listed below the columns and are, from left to right, $5$ seconds, $10$ seconds, $30$ seconds, $30$ seconds, $45$ seconds, $5$ seconds, and $20$ seconds. A horizontal line extends to encompass the seven columns and is labeled $145$ seconds. Square $1$ is located in row $1,$ column $1.$ Square $2$ is located in row $2,$ column $2.$ Square $3$ is located in row $1,$ column $3.$ Square $4$ is located in row $2,$ column $4.$ Square $5$ is located in row $2,$ column $5.$ Square $6$ is located in row $2,$ column $6.$ Square $7$ is located in row $1,$ column $7.$ Arrows extend from square $1$ to $2,2$ to $3,3$ to $4,4$ to $5,5$ to $6,$ and $6$ to $7.$

B$.$

Operator

Customer

$1$

$2$

$3$

$4$

$6$

$5$ sec$.$

$10$ sec$.$

$30$ sec$.$

$30$ sec$.$

$45$ sec$.$

$145$ sec$.$

$5$

$7$

$5$ sec$.$

$20$ sec$.$

Seven squares are arranged in two rows and seven columns. Row $1$ is titled Customer and row $2$ is titled Operator. The column titles are listed below the columns and are, from left to right, $5$ seconds, $10$ seconds, $30$ seconds, $30$ seconds, $45$ seconds, $5$ seconds, and $20$ seconds. A horizontal line extends to encompass the seven columns and is labeled $145$ seconds. Square $1$ is located in row $1,$ column $1.$ Square $2$ is located in row $2,$ column $2.$ Square $3$ is located in row $1,$ column $3.$ Square $4$ is located in row $2,$ column $4.$ Square $5$ is located in row $2,$ column $5.$ Square $6$ is located in row $1,$ column $6.$ Square $7$ is located in row $1,$ column $7.$ Arrows extend from square $1$ to $2,2$ to $3,3$ to $4,4$ to $5,5$ to $6,$ and $6$ to $7.$

C$.$

Operator

Customer

$1$

$2$

$3$

$4$

$6$

$5$ sec$.$

$10$ sec$.$

$30$ sec$.$

$30$ sec$.$

$45$ sec$.$

$145$ sec$.$

$5$

$7$

$5$ sec$.$

$20$ sec$.$

Seven squares are arranged in two rows and seven columns. Row $1$ is titled Customer and row $2$ is titled Operator. The column titles are listed below the columns and are, from left to right, $5$ seconds, $10$ seconds, $30$ seconds, $30$ seconds, $45$ seconds, $5$ seconds, and $20$ seconds. A horizontal line extends to encompass the seven columns and is labeled $145$ seconds. Square $1$ is located in row $1,$ column $1.$ Square $2$ is located in row $2,$ column $2.$ Square $3$ is located in row $2,$ column $3.$ Square $4$ is located in row $2,$ column $4.$ Square $5$ is located in row $2,$ column $5.$ Square $6$ is located in row $2,$ column $6.$ Square $7$ is located in row $2,$ column $7.$ Arrows extend from square $1$ to $2,2$ to $3,3$ to $4,4$ to $5,5$ to $6,$ and $6$ to $7.$

D$.$

Operator

Customer

$1$

$2$

$3$

$4$

$6$

$5$ sec$.$

$10$ sec$.$

$30$ sec$.$

$30$ sec$.$

$45$ sec$.$

$145$ sec$.$

$5$

$7$

$5$ sec$.$

$20$ sec$.$