Divide 31 by 50 and that will give you .62 move the decimal point two places to the right and that gives you 62%. :)
Answer:
43/50
Step-by-step explanation:
Answer:
combined variation
Step-by-step explanation:
we have

we know that
a)<u> in the interval </u>----> (0,∞)
If the value of x increase the value of y increase
so
Is a direct variation
b) <u>in the interval -</u>---> (-∞,0)
If the value of x increase the value of y decrease
so
Is a inverse variation
therefore
Is a combined variation