Question: A child makes a pattern with blocks on the floor. She puts 55 blocks in the first row, 50 in the second, 45 in the

A child makes a pattern with blocks on the floor. She puts 55 blocks in the first row, 50 in the second, 45 in the third and so on.

Write down an expression for the number of blocks in the nth row. Determine the number of blocks in the 8th row. Determine the total number of blocks in the first six rows. How many rows can she have in her pattern if she has 300 blocks to play with?

Write down the first three terms of the geometric sequence in which: the 3rd term is 40 and the 6th term is320

the 2nd term is 160 and the 4th term is 250

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