Question

Aflati:
A)
$\frac{23}{x } = \frac{345}{255}$

Answer 1

a) 345x=23*255=5865, x=5865/345=17

b) (23*4900)/100=23*49=1127

c) (11*624)/24=11*26=286

d) 31*(x+1)=13*(2x+7), 31x+31=26x+91, 31x-26x=91-31, 5x=60, x=60/5=12

Answer 2

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