Mathematics
Grade 6
45 min
Write a two-variable equation
Tutorial Preview
1
A plant is 5 cm tall and grows 2 cm each week. Write an equation for its height.
2
A car travels 50 miles per hour. Write an equation for the total distance.
3
You have $20 and spend $3 each day. Write an equation for the money you have left.
Sample Practice Questions
Easy
A library has 100 books and buys 10 new books each month. Write an equation for the total books 'b' after 'm' months.
0.b=10m+100
1.b=100m+10
2.b=100-10m
3.m=10b+100
Easy
A printer prints 8 pages per minute. Write an equation for the total pages 'p' after 'm' minutes.
0.p = 8m
1.m = 8p
2.p = m + 8
3.p = 8 - m
Easy
A phone has 80% battery and loses 5% each hour. Write an equation for the battery 'b' after 'h' hours.
0.b=80+5h
1.b=80-5h
2.h=80-5b
3.b=5h-80
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