Let x = small number
y=large numebr
x+y = 90
y-4x=15
substitute
we get:
x=21
y=90-21 = 69
Answer:
7 1/4
Step-by-step explanation:
the 5 is not affecting the fraction so just add the whole numbers
Answer:
hmm
Step-by-step explanation:
9514 1404 393
Answer:
n = 5/3
Step-by-step explanation:
Eliminate fractions, add 4, divide by the coefficient of n.

lions = x
monkeys = 3x ( 3 times as many )
3x +x = 24
4x = 24
x = 24/4
x = 6
6 lions
6*3 = 18 monkeys