Word Problems
Lisa is cooking muffins. The recipe calls for 7 cups of sugar. She has already put in 2 cups. How many more cups does she need to put in?
5
y = 7x − 10
y = −3
(1, −3)
−4x − 2y = −12
4x + 8y = −24
(6, −6)
Last week Julia ran 30 miles more than Pranav. Julia ran 47 miles. How many miles did Pranav run?
17
6x + 7y = 20
y = 2x
(1, 2)
x − y = 11
2x + y = 19
(10, −1)
You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?
$5
−3x − 5y = 6
y = −3
(3, −3)
4x + 8y = 20
−4x + 2y = −30
(7, −1)
The sum of three consecutive even numbers is 48. What are the smallest of these numbers?
14
y = 8x
−5x − 5y = 0
(0, 0)
−2x − 9y = −25
−4x − 9y = −23
(−1, 3)
How old am I if 400 reduced by 2 times my age is 244?
78
y = 3x
−3x − y = −24
(4, 12)
−6x + 6y = 6
−6x + 3y = −12
(5, 6)