WHAT MUST BE ADDED TO NUMBERS 1,3,10,18 SO YHAT ARE IN PROPORTION?
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Answer:
we have to add 2
Step-by-step explanation:
1+2=3
3+2=5
10+2=12
18+2=20
now
3,5,12,20=
3/5=12/20
3×20=5×12
60=60
therefore
2 must be added to 1 3 10 18
so that
3 5 12 and 20 are in proportion
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