Respuesta :
9514 1404 393
Answer:
m +179.35 +154.80 = 400
m = 65.85
Step-by-step explanation:
A suitable equation is one that adds the amounts they have to the amount they need and makes that total be $400. (All amounts in dollars.)
m +179.35 +154.80 = 400 . . . an equation
m = 400 -334.15 . . . . subtract 334.15 from both sides
m = 65.85 . . . . . . . . . simplify; the value of m
The girls still need to earn $65.85.