Answer:
7/32
Step-by-step explanation:
Answer:
30%
Step-by-step explanation:
Percentage discount

☆ Discount= original price -selling price
128 = a + + 4(a + 10) + (a + 10)
128 = a + 4a + 40 + a + 10
128 = 6a + 50
128-50 = 6a
78 = 6a
13 = a
1st = a = 13
2nd = 4(a + 10) = 4(23) = 92
3rd = a + 10 = 23
Answer:

Step-by-step explanation:
Answer:
I think the answer might be 15/100
But im not sure it might be wrong sorry :(
Step-by-step explanation: