First figure out his total bill by adding up what he buys.

Now subtract the discount of $20 since his purchase was above $100:
Answer:
His rate was 8 text per minute... Please brainliest?
Answer:
$54.00
Step-by-step explanation:
The original price with a sale of 1/4 off:
80(0.75)= 60
Has a coupon for additional 10% off:
60(0.9)=54
So, $54
3/4 x ? = 3/8
3/8 ÷ 3/4 = ?
3/8 x 4/3 = 12/24
12/24 = 1/2
1/2 of a liter was there to start.
Slope = (-1 - 5)/(3 + 4) = -6/7
answer
-6/7