A) S = 2410
b) S = 2410÷4= 602.5
I hope you know
Answer:
21
Step-by-step explanation:
The x intercept is represented by the coordinate (x,0) on x axis.
So, to find the x intercept ,we need to equate y=0 in the equation 20x+70y=420
=> 20x+ 70*0=420
=> x=420/20 =21.
x intercept is (21,0).
Find a variable with equal or opposite coefficients, if equal then subtract the equations but if opposite then add, solve one variable equation left, and then substitute known variable into other equation and solve
Answer:
$37.5
Step-by-step explanation:
we can look at this problem using rates:
50=$25
25=$12.5
so we can add $12.5 to $25 because 50+25=75 so our answer, 12.5+25=37.5
$37.5
