Step-by-step explanation:
Let the required number be x.
According to the given information:

Hence the required number is 31.
Answer:
B. 165 degree angle
Step-by-step explanation:
Answer:
big f f f f f f f f f f f big fffff
Markup means they sell it for that percentage more than they bought it for. First let's calculate how much they will mark it up for:

Convert 87% into a decimal(87/100):

Multiply:

This is how much they'll mark it up, now let's add it to how much they bought it for to find out the selling price:
Answer:
20,300
Step-by-step explanation: