Answer:
for the question x is 2 and y is 4
Step by step:
Let the original bill be

, then the final bill after the charges been added are

, where

is the increase in the bill by 0.2 (100%+20% = 120% = 1.2)
The range of the original bill is
200 <

< 800, subtract each term by 25
175 <

< 775, divide each term by

145.83 <

< 645.83
Hence, the range of the original bill is between $145.83 and $645.83
Answer:
X=150
Step-by-step explanation:
The answer to your question should be 6.19
Answer:
She can make 1.6 batches
Step-by-step explanation:
24/15 = 1.6