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VikaD [51]
3 years ago
7

Kallah needs to buy ribbon for a sewing project. The fabric store charges 2 dollars per meter. How much will it cost Kallah to b

uy on ribbon that is 75cm long?
Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0
The charge is $2/m.

We need to find how much money it costs for 75cm.
First let's change 75cm to m. There are 100cm to m.
\frac{75cm}{1} *  \frac{1m}{100cm} = 0.75m.

Now we can create a proportion to find how much it costs for a 0.75m ribbon. Then we solve it by cross multiplying.
For some reason I can't put the dollar sign ($) in front of the 2.
\frac{2}{m} =  \frac{x}{0.75m} \\\\
x = 2(0.75) = 1.5

It costs $1.50 to buy a ribbon 0.75m, or 75 cm long.
Zinaida [17]3 years ago
3 0
There are 100 cm in a meter
$1.50 for 75 cm.
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