18 of 28 Text-to-Speech
18. Amy opened a bank account with $150. She plans to save $20 each week. Which
equation represents the total money, m, in Amy's account for n weeks?
A. m = - 20n + 150
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B. m = 20n + 150
O
C. m = 170n
O
D. m = 150n + 20

Is it greater than or less than7*3_9*2

Having a hard time understanding this question (see attachment).

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?