Problema Solution
donna and peggy went shopping and spent a total of $84. donna spent $15 less than twice as much as peggy. how much did donna spend?
Answer provided by our tutors
let
d = the money Donna spent
p = the money Peggy spent
donna and peggy went shopping and spent a total of $84:
d + p = 84
donna spent $15 less than twice as much as peggy:
d = 2p - 15
by solving the system of equations:
d + p = 84
d = 2p - 15
we find:
d = $51
p = $33
click here to see the step by step solution of the system of equations:
Donna spent $51.