Problema Solution
Jim solved a certain number of problems. Brenda solved 2 more than twice as many. Together they solved 38. How many problems did Brenda solve?
Answer provided by our tutors
let
x = the number of problems that Jim solved
y = the number of problems that Brenda solved
Brenda solved 2 more than twice as many
y = 2 + 2x
together they solved 38
x + y = 38
by solving the system of equations
y = 2 + 2x
x + y = 38
we find
x = 12
y = 26
Brenda solved 26 problems.