5d + 10 - 4 = 13.50 <== ur equation
5d + 6 = 13.50
5d = 13.50 - 6
5d = 7.5
d = 7.5/5
d = 1.50 <== what each drink costs
Answer:
55% decrease
Step-by-step explanation:
To find the percent decrease
Take the original price and subtract the new price
140-63 =77
Divide by the original price
77/140
.55
Multiply by 100 to get the percent
.55*100 = 55%
55% decrease since the price got lower
-9, it is between -2 and -10 and it is the least possible integer
