Mathematics
mariakanatous
2015-11-21 23:59:27
$12 for 3 paperback books. $28 for 7 paperback books . are they equivalent
ANSWERS
Aqueros
2015-11-22 06:38:01

yes the unit rates are the same 4$/1 book

nikmoto23
2015-11-22 06:39:16

Yes: it is in fact correct because of the unit.

ADD ANSWER