Answer:$283.5
Step-by-step explanation:
Length of a spool of ribbon=6.75 meters.
Number of spools bought by craft club =21 spools
The total length of spool of ribbon=21 times length of a spool
[tex]=21\times6.75\ meters\\\Rightarrow21\times6.75=141.75\ meters[/tex]
Cost of 1 meter of ribbon= $2
Therefore, the total cost of the ribbon[tex]=2\times141.75=\$283.5[/tex]
The total cost would be $283.5
To determine the total cost of the spools of ribbon bought, then the given length of a spool of ribbon (6.75) will be multiplied by the number of spools a craft clubs (21); the resulting value finally be multiplied by the given cost of a ribbon per meter (which is $2).
Thus,
= 6.75 x 21
= 141.75
Deriving the total amount it would cost the craft club:
= 141.75 x 2 (being the cost of a ribbon per meter)
= 283.5
Therefore, the total amount it would the craft club to buy 21 spools of ribbon is $283.5
The above mathematical expression is a practical example of a number problem, and it focus mainly on Multiplication. Multiplication is a basic mathematical operation and a function of BODMAS (an order of operations).
Multiplication has to do the repeated addition of two or more numerical value to derive a final value.
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