Step-by-step explanation:
The way to get this is that you put them in fraction form 7/15 and then you make it equal to to x/100 and then divide the known part of the fraction which in this case is 100/15 which gives 6.67 (rounded). After you get that you multiply it by 7 which give you 46.69%
Simplify
2/4z + 1 = 2/4z + 1
Answer: D. Infinite solutions
They have the exact same value so you just divide by 1
Step-by-step explanation:
y = .10d + .25q
y is the total amount, if you have d dimes and q quarters