X + y = 400
8x + 5y = 2750
-5x - 5y = -2000
8x + 5y = 2750
3x = 750
250 adult tickets
150 children tickets
Well 4d is an algebraic term as it has a letter representing a number, 2m - 5 is also an algebraic term. 3 + 7 is a numerical expression as it is merely numbers. hope this helps
1/4 is the fraction for the number of parents who prefer year round school.
Well first you wanna see how many pints are in 3 quarts, which is 6 because there are 2 pints in a quart.
3/16=5/x
times both sides by 16x (aka cross multiply
3x=5*16
3x=80
divide both sides by 3
x=80/3
x=26 and 2/3
the missing number is 80/3 or 26 and 2/3