Each are divisible by 11 so the ratio equivalent would be 7:9
Answer:
25
Step-by-step explanation:
z+3z+25=125
4z=100
z=25
Answer:28
Step-by-step explanation:
Answer:
Step-by-step explanation:
Disagree, it is not always correct
Consider dividing 5 by 0.5, you get 10 which is greater than what you started with
77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99
