Let x = small number
y=large numebr
x+y = 90
y-4x=15
substitute
we get:
x=21
y=90-21 = 69
Answer:
20
Step-by-step explanation:
pq + 4
Given:
p = 4
q = 4
We plug the numbers in:
pq + 4
4(4) + 4
16 + 4
20
Answer: the answer is C: 180 hours
Step-by-step explanation:
Got it right in Edge!
Answer:
8,5
Step-by-step explanation:
a=b+3
(b+3+b)*2=26
b=5
a=8
219.6\100= 2.196
2.196*20= 43.92
219.6-43.92= 175.68
This might be the answer, quite rough in this topic.