
Multiply -7 to both sides:
Add 10 to both sides:
Divide 2 to both sides:
The answer to this question is 6.8 x 10^16.
Answer:
129.99
Step-by-step explanation:
129.99 rounds to 130 because the 9 in the hundredths place causes the 9 in the tenths place to round up, making the number 130.0.
So you subtract $22.89 from $54.73 to get a total of $31.84 and that’s how much the customer paid.