Question

John cashed a check for $630. The teller gave him three fi fty-dollar bills, eighteen twenty-dollar bills, and t ten-dollar bills. Determine the value of t.

Answer 1

3($50) + 18($20) + t($10) = $630

$150 + $360 + t($10) = $630

$510 + t($10) = $630

t($10) = $120

t = 12