Problema Solution
Mary found 1/4 of the flowers in her garden are red, 2/5 of the remainder are yellow and the rest are pink. There are 18 pink flowers. How many flowers are there altogether?
Answer provided by our tutors
let
x = the number of flowers altogether, x>0
x - ((2/5)(x - (1/4)x) + (1/4)x) = 18
by solving we find:
x = 40 flowers
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there are 40 flowers altogether.