exam Maths Puzzle Numerical Ability

how do you solve this?

Read Solution (Total 0)

exam Other Question

Bob paid 3 less than Tim for his lunch at a local pizza parlor. Together they spent $7.80. How much did Bob spend for his lunch?

a. $2.40
b. $4.50
c. $4.80
d. $5.40
e. $8.40
the question says use the diagram to solve for x

the equation is 42=3x+y and y=x+2