Question

Shapera has three sources of income. she earns $15 for each lawn she mows. She earns $7 per hour working part-time at a pet store. She earns $20 each day she delivers newspapers.

Part A: Write an expression that represents her total earnings.

Part B: In the six weeks, Shapera mowed 7 lawns, worked 36 hours at the pet store, and delivered newspapers 7 days. Did she make enough to buy the computer? Explain your answer

(Please answer as fast as possible!!)

Answer 1

Part A: 15x+7y+20z=t
x = each lawn
y = each hour at the store
z = each day doing newspaper
t = total earnings

Part B: 15(7)+7(36)+20(7)=105+252+140=497
She made $497

Answer 2

Explanation:

Mowed lawns 15 times 7 = 105 Working at pet store 7 times 36 = 252 Delivers newspapers 20 times 7 = 140 105+252+140= 497