Luis has 40 noah 45 nickels , 33 dimes, 10 quarters and 18 fifty-cent coins . how much money does he have

$13.75 should be your answer

Step-by-step explanation:

Note that 45 nickles = 45 x 5 = 225 cents

Note that 10 quarters = 10 x 25 = 250 cents

Note that 18 half-dollars = 18 x 50 = 900 cents.

225 cents = $2.25

250 cents = $2.50

900 cents = $9

Add

2.25 + 2.50 + 9 = 13.75

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a

step-by-step explanation:

m∠a is 90°

m∠b is 40°