75 hope it helps tell me if it is
Mary has 48 stickers. The ratio is 4:7
divide 48 with 4
48/4 = 12
Multiply 12 with 7
12 x 7 = 84
Mary buys another 8 stickers: 48 + 8 = 56
56:84 is the new ratio
hope this helps
The third and fifth ones are false. Two negative numbers in the same equation make a positive not a negative