USE CYMATH TO FIGURE THAT OUT
Answer:
its a 21:45
Step-by-step explanation: it a because 7x3 will equal 21 you got 21 in there. 15 x 3 will equal 45 and you got 45 there so a is your answer.
$80 + $10w ≥ $150
$80 she has already saved + $10 dollars she makes every week must at least be $150