Rasheed wants to buy two new video games that cost $28.50 each. he earns money for them by mowing lawns in his neighborhood, and his earnings are shown in the table below.

rasheed’s earnings
week
amount earned
1
$7.50
2
$4.85
3
$12.25
4
$9.00
5
$8.15

how much more does rasheed need to earn before he can buy the video games?

$15.25

Step-by-step explanation:

$7.50+$4.85+$12.25 +$9.00 +$8.15 = $41.75

$28.50*2 = $57.00

So, he needs $57.00- $41.75 = $15.25 more

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2