C=1.56n
Should give the the total price of n pounds of blackberry
Answer: 10.5 is my guess
Step-by-step explanation:
1. 30% = 8.4
100 x
cross multiply
30(x) = 840
divide both sides by 30 = 28
2. 37.5% = y
100 28
cross multiply
1050 = 100y
divide both sides by 100 = 10.5