Ben can sell 38 pieces of math manipulatives to reach his goal
Further explanation
The division operation is one of the basic arithmetic operations
Common signs used are \(\large{\boxed{:}}}\) or \(\large{\boxed{\slash}}\)
The division is written by placing the numerator above the denominator with a horizontal line between them or use a slash with the numerator's position and the denominator is parallel
The division is actually an iterative subtraction operation (as many as the number of divisors)
Division is the opposite of multiplying
The general form of division can be stated by:
\(\large{\boxed{\bold{divident:divisor=quotient+remainder}}\)
example:
7: 3 = 2 + 1
- 7 = dividend
- 3 = divisor
- 2 = quotient
- 1 = remainder
The form of division can also be expressed in terms of fractions
In the number above, the form of fraction obtained is the form of mixed fractions
\(\displaystyle \frac{7}{3} =2\frac{1}{3}\)
Mixed fractions consist of integers and ordinary fractions
Division operation statement:
"7 divided by 3 equals 2 remainder 1
Known
Ben wants to at least sell $450 math manipulatives
each manipulative costs $18 to make
selling price : $30 each
Asked
the minimum number of math manipulatives he can sell to reach his goal
Answer
the benefits of each math manipulative he sells:
benefit = selling price - making price
benefit = $30 - $18
benefit =$12
Because what Ben wants is to make a profit at least $450, the amount that must be sold:
\(\displaystyle \frac{\$450}{\$12}\)
= \(\large{\boxed{\bold{37.5\:pieces}}\)
we round up : \(\large{\boxed{\boxed{\bold{38\:pieces}}}\)
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Keywords: division, math manipulatives, sell
