It's b. You have to times $4 by 6 to get $24. Then you take it away from $30 to get the change so $6
Answer:
blank=x=84
Step-by-step explanation:
7*3=(3x)/(4*3)
21=3x/12 simplification
252=3x multiply by 12 on both sides
x=84 divide by three
Answer:
8
Step-by-step explanation:
7 x 8 = 56 56 - 4 = 52.
3 x 8 = 24 24 + 28 = 52