A printer has 5 A’s, 4 B’s and 2 D’s. How many different words are possible that use all these letters? the word doesn’t need to have meaning

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

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42.4 6th grade students prefer hip hop

step-by-step explanation:

40 percent of 106 = 42.4