C I petty sure the answer is c
Answer:
Step-by-step explanation:
we have
E------>the number of sit-ups
m----> the time in minutes
S----> the number of sit-ups after drinking the sports drink
----> equation A
----> equation B
substitute the equation A in the equation B
The watch costed $400 before the discount.
76 * 100 = 7,600
7,600 / 19 = 400
Answer:
f = 7
Step-by-step explanation:
7f = 49
Divide each side by 7
f = 7