Well, first you have divide 5 by 1/4 which will give you 20. 53 + 20 = 73
you can check your awnser by subtracting 73 from 20, which will give you 53.
Answer:
b=6
Step-by-step explanation:
9/b=21/14
9/b=3/2
9=3/2b
9=3b/2
9×2=3b
18=3b
18/3=b
6=b
b=6
105 ÷ (−15) = -7
15 goes into 105 seven times and then you carry the minus over.
