Question

Suppose you had d dollars in your bank account. You spent $22 but have at least $42 left. How much money did you have initially?

Answer 1

1) What left

$\boxed {d-22 \geq 42}$

*Obs: remember that left at least 42 dollars. In other words, the left over is equal or more than 42 dollars.

2) At the beginning

 $d-22 \geq 42 \\ \\ \boxed {d \geq 64}$

Letter C