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shepuryov [24]
1 year ago
14

Ron works at the local bookstore for an hour every day. He earns $5 daily from this job. If he adds this amount to his daily all

owance, he has $70 at the end of each week. The amount of money Ron receives each week is represented by the equation 7(x + 5) = 70, where x is the amount of Ron's daily allowance. Plug the numbers from the set {5, 10, 15, 20} into the equation to find x, the amount of Ron's daily allowance.
Mathematics
1 answer:
eimsori [14]1 year ago
8 0
$5

The equation is true when we plug 5 in for x. So, x=5 and therefore Ron’s daily allowance is $5.

7(5+5) = 70
7(10) = 70
70 = 70 ✔️

7(10+5) = 70
7(15) = 70
105 = 70 ❌

7(15+5) = 70
7(20) = 70
140 = 70 ❌

7(20+5) = 70
7(25) = 70
175 = 70 ❌
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