Mathematics Grade 8 15 min

Write a two-variable equation

Write a two-variable equation

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1

Movie tickets cost $10 each. Write an equation for the total cost.

2

A plumber charges a $50 fee plus $75 per hour. Write an equation for the cost.

3

You have $200 and spend $5 each day. Write an equation for the money you have left.

Sample Practice Questions

Easy
Apples cost $2 each. Write an equation for the total cost 'c' for 'a' apples.
0.c = 2a
1.a = 2c
2.c = a + 2
3.c = a - 2
Easy
A song download costs $1. Write an equation for the total cost 'c' for 's' songs.
0.c = s + 1
1.c = s
2.s = c + 1
3.c = s - 1
Easy
A taxi ride costs $3 plus $2 per mile. Write an equation for the cost 'C' for 'm' miles.
0.C = 2m + 3
1.C = 3m + 2
2.C = 2m - 3
3.C = 5m

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