Write and solve a proportion to complete the statement 42in=___ cm
Mathematics · Middle School · Tue Nov 03 2020
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We know that 1 inch is 2.54 cm. Lets create a ratio and find out how many cm is 42 inches. Lets call it X this unknown amount.
If 1 inch is 2.54cm,
Then 42 inch is x cm.
Cross multiply to find out the value of x. 1 times x equal to 42 times 2.54.
x=42*2.54
x=106.68cm