Two rulers

We have two rulers. Scale interval on the first rulers is a spaced 1 cm and on the second is 15 mm. Rulers are attached to match initial divider commas. What next dividers commas coincide? Find at least three cases.

Correct answer:

a =  30 mm
b =  60 mm
c =  90 mm
d =  210 mm

Step-by-step explanation:

x=1 cm mm=1 10  mm=10 mm y=15 mm  10=25 15=35 LCM(10,15)=235=30  w=LCM(x,y)=LCM(10,15)=30  a=1 w=1 30=30 mm
b=2 w=2 30=60 mm
c=3 w=3 30=90 mm
d=7 w=7 30=210 mm

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Showing 1 comment:
Latrice Hubbard
this dose not help

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