Writing Equations

Front

Equation to determine total cost, c, of a phone call that is m minutes long. Options: c = 3.00 - 0.15m, c = 0.15 + 3.00m, 3.00 = c + 0.15, c = 3.00 + 0.15m

Back

c = 3.00 + 0.15m

Front

Samuel bought 3 tires for $79.95 each and some rims for $59 each. He spent a total of $534.85. Which equation could be used to find the number of rims, r, Samuel bought? Options: 3(79.95) - 59r = 534.85, 79.95r - 59(3) = 534.85, 3(79.95) + 59r = 534.85, 79.95r + 59(3) = 534.85

Back

3(79.95) + 59r = 534.85

Front

Julie bought 5 pairs of shoes at $19 per pair and 4 blouses at $16.50 each. Which equation can be used to find the total cost, t, she spent? Options: 5(16.50) + 4(19) = t, 5(16.50) - 4(19) = t, 4(16.50) + 5(19) = t, 4(16.50) - 5(19) = t

Back

4(16.50) + 5(19) = t

Front

What is the first step to solve this equation 2x + 11 = 23?

Back

Subtract 11 from both sides

Front

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

Back

n= # of students in each bus; 6n + 7 =331

Front

April had $24 to spend on seven pencils. After buying them she had $10. Write an equation to find how much each pencil cost.

Back

n=cost of 1 pencil; 7n+10=24

Front

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?

Back

n=wkly allowance; n/2+4=12

Front

Equation to calculate number of posters for $1,000 with $250 base charge and $2 per poster.

Back

2x + 250 = 1000

Front

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?

Back

50 + 20m = 290

Front

While at the music store, Drew bought 5 CDs, all at the same price. The tax on his purchase was $6, and the total was $61. What was the price of each CD?

Back

5x + 6 = 61