Krishaun has $5, $10, and $20 coins worth a total of $560. She has the same number of $5 coins as $10 coins, and the same number
of $10 coins as $20 coins. How many $20 coins does Krishaun have?
a.16
b.15
c.20
d.28
e.17
1 answer:
f = t = n five ten and twenty
5n + 10n + 20n = 560
35n = 560
n = twenty dollar coins = 16
You might be interested in
Set up a new equation of 5x=4x+24 and solve it should be x=24
Answer:
815/1000=163/200 is the simplest form.
Answer:
4/7 = 8/14
Step-by-step explanation:
Per cent means out of 100. 47/100
Answer:
f
−
1
(
x
)
=
x/3+
3
Step-by-step explanation:
