Answer:
3/10
Step-by-step explanation:
2/5 + x = 7/10
x = 7/10 - 2/5
x = 7/10 - 4/10
x = 3/10
Answer:
55+8.5x=123
Step-by-step explanation:
The 55 represents the flat fee, the 8.5 represents the daily charge, x represents the number of days she rented it for, and 123 is the total amount
4(-8+4.5)
-32+18
-14
6.25+(-8.25)
-2
-14/-2
7
The answer is 7.
She added the check fee instead of subtracting it
