Megan bought 3 pounds of apples that cost x dollars per pound. She gave the cashier a 20-dollar bill.
Which equation could Megan use to find the amount of change, y, she should receive?
Answer options with 5 options
A.
y equals StartFraction 20 minus x over 3 EndFraction
B.
y equals StartFraction 20 over x EndFraction minus 3
C.
y equals StartFraction 20 over 3 EndFraction minus x
D.
y equals 20 minus 3 x
E.
y equals 3 x minus 20
1 answer
A. y equals StartFraction 20 minus x over 3 EndFraction