Solving Word Problems in Algebra

On an algebra test, the highest grade was 15 points higher than the lowest grade. The sum of the two grades was 125. Find the lowest grade. (Number only)

On an algebra test, the highest grade was 15 points higher than the lowest grade. The sum of the two grades was 125. Find the highest grade. (Number only)

Which of the following is the correct equation to solve the problem given? Three consecutive integers add up to 279, what are the three integers?

Type the three numbers, in order with a comma separating each one.

Three consecutive integers add up to 279, what are the three integers?

Which of the following is the correct equation to solve the problem below? Four consecutive integers add up to 370, what are the four integers?

Which equation models the situation below? The sum of a number and 5 is multiplied by -3 and the answer is -24. Find the number.

The sum of a number and 5 is multiplied by -3 and the answer is -24. Find the number.

• 13

• -13

• 3

• -3

Which equation models the situation below? The difference of a number and 3 is multiplied by -2 and the answer is -10. Find the number.

The difference of a number and 3 is multiplied by -2 and the answer is -10. Find the number.

• 8

• -8

• 2

• -2

Which equation models the problem given? Oberon Cell Phone Company advertises service for $0.03 per minute plus a monthly fee of $29.95. If Luke’s phone bill for October was $38.95, find the number of minutes he used.