(3ab/b)-(2bc/b)=12/b
3a-2c=12b^-1
(3a-2c)/12=(12b^-1)/12
(3a-2c)/12=b^-1
12/(3a-2c)=b
She would have 4 hours of free time because 25% is 1/4 of 100% and 1 hour is equal to 25% so 1 time 4 is equal to 4.
Answer:
Diego's time is 75% of Lin's time.
Step-by-step explanation:
The first one. The 7$/hr is a rate and should be multiplied by the x