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Mathematics, 18.12.2019 02:31 Conpolice1309

Bethany can mow her family's lawn in 4 hours. her brother colin can mow the lawn in 3 hours. which equation can be used
to find the number of hours, x, it would take for bethany and colin to mow the lawn together?
a) 3+4= x
b) 1/4 x- 1/3x =1
c) 1/4x+1/3x=1
d) 4-3= x

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