It takes jack 5 hours to finish a yard and shelly 3 hours to finish the same yard, how much time would it take them together.
jack = 1 and shelly is 1
5 3
15(x/5 +x/3)= 1(15)
3x + 5x = 15
8x = 15
x= 1(9/8)
have I done this correctly?
It takes jack 5 hours to finish a yard and shelly 3 hours to finish the same yard, how much time would it take them together.
jack = 1 and shelly is 1
5 3
15(x/5 +x/3)= 1(15)
3x + 5x = 15
8x = 15
x= 1(9/8)
have I done this correctly?