Problema Solution
Mandy wants to cover one of her bedroom walls with posters. The wall is 10 ft wide by 8 ft high. She plans to use only posters that are 2 ft by 3 ft
a. How many posters can Mandy fit on her wall without any overlaps if she buys only posters that are 2 ft wide and 3 ft high?
b. How many posters can she fit on her wall without any overlap if she buys only posters that are 3 feet wide and 2 feet high?
Answer provided by our tutors
10 prime factors to 2*5
8 prime factors to 2^3
we assume that all posters must be hung 'right-side up', so a 2 ft by 3ft poster is taken to be 'two feet wide and three feet tall'
10 / 2 = 5.0
8 / 3 = 2 2/3
10 / 3 = 3 1/3
8 / 2 = 4
a. 5*2 = 10
b. 3*4 = 12