Ms.Sim traveled to 42 countries in 60 days.At this rate,how many countries would he travel to in 40 days?
2 answers:
28
42/60=x/40 so cross multiply
42x40=1680
60x=1680
÷60 ÷60
x=28 countries
this is right out of my notes how it was taught so i hope its right or shame on my teacher lol
42/60 = x/40
x = 42 x 40 / 60
x = 28
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