It’s 62.40 but i don’t know how to show my work for $52 lunch; 20% tip can someone

$52 times 20%

$52 times 20/100

Or

$52 times 0.20

Answer is $10.4

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300