X+30+70=180
x+100=180. -100 both sides
x=80
|x=80° |
5353 minutes = 89.22 hours
Maybe the figures should be 53 and 20??
Let's let Billy = A
The formula to use for work problems is
Time = (A*B) / (A+B)
53 = ( (A +20)* A) / (A +20 + A) )
53 = ( A^2 + 20A ) / (2A + 20)
A^2 + 20A -106A -1060
A^2 -86A -1060
A = 96.935
Bobby Mows in 116.935 minutes
Answer:
6.5
Step-by-step explanation:
3X5=15
97.5/ 15 = 6.5
0.33 because it’s closer to one.
