exam
Maths Puzzle
Numerical Ability
7w+2=3w+94
Read Solution (Total 0)
exam Other Question
Which of the ordered pairs
(7, 1), (9, 0), (5, -2), (-7, 8)
are solutions for the equation x + 2y = 9?
Hint: There can be more than 1.
A man invests a portion of $3,600 at 8% annual interest and the balance at 7%. If he receives $264 interest during the first year, how much did he invest at each rate?