7. Write and solve one or two mathematical sentences for the following problem. The length of a crayon box base is 3 more than 4 times its width. If the perimeter of the
base of the crayon box is 21 centimeters, find the length and width.

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation:

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step-by-step explanation:

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