Mathematics
Grade 5
15 min
Write a two-variable equation
Write a two-variable equation
Tutorial Preview
1
A bakery sells cupcakes for $3 each. Write an equation for the total cost `c` for `n` cupcakes.
2
A streaming service costs $5 per month, plus a one-time $10 sign-up fee. Write an equation for the total cost `c` for `m` months.
3
Maya starts with a 100-page notebook. She uses 4 pages each day. Write an equation for the pages `p` she has left after `d` days.
Sample Practice Questions
Easy
Each apple costs $2. Write an equation for the total cost `c` for `a` apples.
0.c = 2a
1.c = 2+a
2.a = 2c
3.c = a-2
Easy
A library charges a $5 entry fee plus $1 per book borrowed. Write an equation for the cost `c` for `b` books.
0.c = 5b
1.c = b+5
2.c = 1b+5
3.c = 5-b
Easy
A car rental costs $20 plus $1 per mile. Write an equation for the total cost `c` for `m` miles.
0.c = 20m
1.c = m+20
2.c = 20-m
3.c = 20+m
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