Use a known formula to solve.

A triangular sign in a store window has a perimeter of

8.7ft

. Two of the sides of the triangle are the same length while the third side is

3

feet longer than those sides. Find the lengths of the sides of the sign.

The lengths are ft , ft ,and ft .

Determine the amount of money in a) dollars and in b) cents given

d

dimes and

q

quarters.

Part: 0 / 2

0 of 2 Parts Complete

Part 1 of 2

(a)

$

Determine the amount of money in a) dollars and in b) cents given

d

dimes and

q

quarters.

Part: 0 / 2

0 of 2 Parts Complete

Part 1 of 2

(a)

$

Solve using the five-step method.

A bank employee is servicing the ATM after a busy Friday night. She finds the machine contains only

$10.00

bills and

$5.00

bills and that there are four times as many

$10.00

bills remaining as there are

$5.00

bills. If there is a total of

$810.00

left in the machine, how many of the bills are tens, and how many are fives?

Solve using the five-step method.

At the post office, Ronald buys

8

more

45

stamps than

23

stamps. If he spends

$19.24

on the stamps, how many of each type did he buy?

He bought 23 stamps and 45 stamps.

Solve using the five-step method.

At the convenience store, Sandeep buys

13

more

46

stamps than

26

stamps. If he spends

$22.54

on the stamps, how many of each type did he buy?

He bought 26 stamps and 46 stamps.

Solve using the five-step method.

Two cars leave Indianapolis, one driving east and the other driving west. The eastbound car travels

12mph

slower than the westbound car, and after

5hr

they are

660mi

apart. Find the speed of each car.

The speed of the westbound car is mph . The speed of the eastbound car is mph .

Solve using the five-step method.

Nayeli and Elena leave the gym to go to work traveling the same route, but Nayeli leaves

12min

after Elena. If Elena drives

60mph

and Nayeli drives

75mph

, how long will it take Nayeli to catch Elena?

It took

hrs

for Nayeli to catch Elena.

Solve using the five-step method.

At

:300

p.m., a truck and a car leave the same intersection traveling in the same direction. The truck is traveling at

37mph

and the car is traveling at

52mph

. At what time will they be

6mi

apart?

They will be

6mi

apart at

: