Answer:
7(1/2)
Step-by-step explanation:
There are 120 choices.
5 × 4 × 3 × 2×1 = 120 choices
Answer:
15 quarters, 10 nickels
Step-by-step explanation:


multiply the first equation by -0.25 and add the second equation to it

________________

has 10 nickels
has 15 quarters
10(.05) +15(0.25) = 0.5 + 3.75 = 4.25
Hope this helps
It is the same as multiplying by 2/3, the equation being 2/3n n being the number