Answer:
90
Step-by-step explanation:
90
250 hours because double the people = half the work
Answer:
A.
Step-by-step explanation:
It says he scored five points less than twice the number of points he scored last week.
2x-5=25
the 2x represents the number of points last week.
the -5 represents the five points less.
the number 25 is the points this week.
Hope this helps!
If not, I am sorry.
F(x) = (x - 3)(x - 7)
expanding the brackets gives:
f(x) = x^2 - 10x + 21
Answer:
8x+6y=48
x+y=7
multiply bottom equation by 6:
8x+6y=48
6x+6y=42
subtract equations:
2x=6
divide 6 by 2:
x=3
therefore:
y=4
