Desmos Graphing Calculator

CalcReferenceCopy

Math·Algebra·Systems of two linear equations in two variables

medium

Kayra spent $49 at a book sale and bought a total of 21 books. She bought $h$ hardcover books for $3 each and $p$ paperback books for $2 each. Which system of equations represents this situation?

A

$h+p=21$
$2h+3p=49$

B

$h+p=21$
$3h+2p=49$

C

$h+p=49$
$2h+3p=21$

D

$h+p=49$
$3h+2p=21$