Take to total number of people attending and subtract the number of adults. The remainder are the children
2,451 - 745 = 1,706
A fraction that is equivalent to 1/4 is 25/100
7 1/4 - 2 4/5
Turn the denominator into a common denominator for both fractions:
7 5/20 - 2 16/20
To subtract easier, turn the fractions into an improper fraction:
145/20 - 56/20
Subtract the numerators:
145 - 56 = 89 ---> 89/20
Simplify (to get an answer of):
4 9/20
Add labels:
Joseph has 4 9/20 ounces of candy left
X + 5 = 3
Subtract both sides by 5
X = (-2)