Answer:
$123
Step-by-step explanation:
230/20=11.5
11.5x2=23
23+100=123
number 2)
Explanation step by step
150
'x' = number of students out of 500 who selected math
18/60 = x/500
cross-multiply:
60x = 9000
x = 150
36 ft^3
3ft x 2ft = 6ft
6ft x 6ft = 36 ft^3
3x+2=17
