1.Jamal sells sandwiches. He spends $2.70 per sandwich on ingredients and then adds a 110% markup. What is the selling price of one sandwich? 2.Elizabeth goes to a restaurant where her bill comes to $18.50. She leaves the server a 22% tip. What is the total cost of going to the restaurant?

The answer is $200.The second answer is 35.20

Step-by-step explanation:

2.70 + 110% = 5.67$ per sandwich

110% out of 2.70 is 2.97, so 2.70+2.97 = 5.67

18.50 + 22% = 22.57$ total cost

22% out of 18.50 is 4.07, so 18.50+4.07 = 22.57

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step-by-step explanation:

d = distance between moon and sun, which in this problem is the hypotenuse of a right triangle.  

the distance y is the side opposite to angle x in the right triangle.   use the definition of the sine function from basic trigonometry.

sin(x) = y/d ⇒

d = y/sin(x)

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