68
It is: 18 plus 50 equals 68
18 + 10 + 20 + 30 + 15 + 50= 143
18 + 32 = 50 50 +2 = 52 52 + 2 = 54
50
32 + 25x + 18 = 50 + 25x
209
1.35+5.23+9.49+99+18+50 =183.07 The total cost is $183.07. All the addition can happen in the same step.
11.3137
sqrt(800) + sqrt(50) - sqrt(18) = 31.113 approximately.
4X - 32 + 5X + 50 = 180 gather like terms on the left 9X + 18 = 180 subtract 18 from each side 9X = 162 divide both sides by 9 X = 18 -------- check 4(18) - 32 + 5(18) + 50 = 180 72 - 32 + 90 + 50 = 180 40 + 90 + 50 = 180 180 = 180 checks
65 + 65 + 65 + 90 + 90 + 90 + 90 + 50 + 50 + 50 + 50 + 50 + 50 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 995
3 + 15 = 18