Mathematics
Grade 5
15 min
Solve a system of equations using augmented matrices
Solve a system of equations using augmented matrices
Tutorial Preview
1
A cupcake and a cookie cost $4. Two cupcakes and a cookie cost $6. How much is one cupcake?
2
We know a cupcake costs $2. If a cupcake and a cookie cost $4, how much is one cookie?
3
A cupcake costs $2 and a cookie costs $2. How much do 3 cupcakes and 2 cookies cost?
Sample Practice Questions
Easy
One apple and one banana cost $3. Two apples and one banana cost $5. How much is one apple?
0.$1
1.$2
2.$3
3.$4
Easy
A pen and an eraser cost 50¢. Two pens and an eraser cost 80¢. How much is one pen?
0.20¢
1.30¢
2.40¢
3.50¢
Easy
A taco costs $3. A taco and a soda cost $5. How much is the soda?
0.$1
1.$2
2.$3
3.$8
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