80+80=160 your welcome
988.187
10x3+8=80-60+? 30+8=20+? 38=20+? 38-20=? 18=? The answer is 18.
94+94+80+80=348.
It is the property that equals plus equals are equals.
86 millimeters 8 centimeters plus 6 mm= 80 mm plus 6 mm
Subtracting gives: 10x = 80 so x = 8 and y = 5
x = 6y = 89x + 10y = 9(6) + 10(8) = 54 + 80 = 134
There are numerous possibilities, such as: 2x40 4x20 8x10 5x16 10+20+50
it is 28
80 + 50 = 130
80 80 + —— 160 160 80 + —— 240