Writing Equations

WRITE AN EQUATION
April had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• n=total cost pencils; 7n+10=24

• n=cost of 1 pencil; 7n-10=24

• n=cost of 1 pencil; 7n+10=24

• n=cost of 1 pencil; -7n-10=24

Tags

CCSS.HSA.CED.A.3

Bonnie spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?  (Define 'n' and write the equation.) 

• n=wkly allowance; 2n-4=12

• n=wkly allowance; 2n+4=12

• n=wkly allowance; n/2-4=12

• n=wkly allowance; n/2+4=12

Tags

CCSS.HSA.CED.A.3

The space club is having some posters printed. The printer charges $250 plus $2 per poster. How can I figure out how many posters I could print for $1,000?

• 250x + 2 = 1000

• 1000 + 2x = 250

• 250 - 2x = 1000

• 2x + 250 = 1000

Tags

CCSS.7.EE.B.4A

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. How many months has Jim been a member of the gym?

• 50 + 20m = 290

• 20 + 50m = 290

• 50 + 20 = m

• 50m - 20 = 290

Tags

CCSS.7.EE.B.4A

A computer printer can print 10 pages per minute.There were already 35 pages in the tray. The total pages printed was 115 pages. Write an expression for the number of pages the printer can print in m minutes.

• 10m + 35 = 115

• 10m + 115 = 35

• 115m + 35 = 10

• 35m + 10 = 115

Tags

CCSS.HSA.CED.A.3

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63

• 7x = 63

• 7x + 63 = 35

• 35x + 7 = 63

Tags

CCSS.HSA.CED.A.3

An electrician charges $90 per hour plus a $50 travelling fee. It costs $1000 in total.

• 1000 = 50x + 90

• 1000 = 90x + 50

• 90 = 1000 + 50x

• 90x = 1000 + 50

• 50 = 90x + 1000

Harris Publications is having some books printed. The printer charges $800 plus $5 per book. What equation could help me find how many books can be printed for $4,000?

• 800 + 5x = 4000

• 800x + 5 = 4000

• 4000 + 5x= 800

• 800 + 5 = 4000

• 4000 = 800 + 5

Tags

CCSS.HSA.CED.A.3

Jose and Maria bought several packages of Slaps candy. Maria has ten less than three times the number of Slaps Jose has. If b represents the number of Slaps Jose has, which equation represents the number of Slaps Maria has?

• 3(b - 10)

• 10 - 3b

• 3b - 10

• 10(3) - b

Tags

CCSS.6.EE.B.6

A plumber charges customers $37 for each hour worked, plus an additional $20 for travel. If w represents the number of hours worked, which expression will calculate the plumber's total charge?

• 37 + 20 + w

• 37w - 20

• 37 + 20w

• 37w + 20

Tags

CCSS.HSA-SSE.A.1A