Question

jody is trying to get stronger and is working on building up the ability to do pushups. She starts off doing 5 pushups and each week increases the number she does by 4. Which of the following equations defines how many pushups will she do in the nth week?Group of answer choicesan = 4n + 5an = 4n – 1an = 4n + 1an = 4n + 9

Answer 1

Given:-

Jody is trying to get stronger and is working on building up the ability to do pushups. She starts off doing 5 pushups and each week increases the number she does by 4.

To find:-

How many pushups will she do in the nth week?

Since she increase the number of push ups by 4 for every week and if n represents the week then it can be represents as,

$4n$

She started with 5 push ups. We add 5 with it. so we get,

$4n+5$

So the required solution is OPTION A.