15=0.5x+7
0.5x=12
X=24
His weekly allowance is $24
Answer:
Domain= {XER} Range= {YER}
Step-by-step explanation:
This is a line equation. Lines continue infinitely in both the horizontal direction and vertical direction, so that means that the domain and range are both a set of all real numbers.
Answer:
-7.75
Step-by-step explanation:
Answer:
1 m
Step-by-step explanation:
3.14 meter = 3.14/3.14 = 1 meter
sqrt.1 = 1 meter
Step-by-step explanation:
3x + 5y = 50
x + 5y = 31
use substitution
x = 31-5y
3(31-5y) +5y = 50
93 -15y + 5y = 50
93 - 10y = 50
--10y = -43
y = 43/10 = $4.30 for kids
now solve for x
x + 5(4.30) = 31
x + 21.5 = 31
x = $9.5 for adults
