Pasqual uses 645.6 quarts of water in 7 days. Suppose he uses the same amount of water each day. About how much water does Paqual use each day?

Find x & pleeeeaaaassseeee me !

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !