Miss Jennifer is buying pencils in packs of 12, notebooks in packs of 16, and red pens in boxes of 20. She needs to have the same number of pencils, notebooks, and red pens. What is the smallest number of packs of each type that she should buy?
Answer:
Miss Jennifer needs to buy
packs of pencils,
packs of notebooks and
packs of red pens.
4 answers
LCF(12,16,20) = 4
We first need to find the LCM of 12, 16, 20. The answer is 240.
Then, we have to find out:
Pencils: 12*p=240. p=20
Notebooks: 16*n=240 n=15
red pens: 20*r=240 r=12
So that means that there are 20 pencils, 15 notebooks, and 12 packs of red pens. Hope this helped you!
Then, we have to find out:
Pencils: 12*p=240. p=20
Notebooks: 16*n=240 n=15
red pens: 20*r=240 r=12
So that means that there are 20 pencils, 15 notebooks, and 12 packs of red pens. Hope this helped you!
20 pencils 15 notebooks 12 packs of red pens
Ms Sue