can you help me with these 3 questions

Question

1.)estimate 78% of 20

a.)14

b.)16

c.)19

d.)2

 

2.) you go out to eat with your family and you agree to leave a tip what is a 15% tip on a $58.00 bill?

a.)$5.80

b.)$2.90

c.)$8.70

d.)$7.25

 

3.) in a survey of 550 people 62% like tasty pizza estimate how many people like tasty pizza

a.)330

b.)25

c.)250

d.)35

 

thank you sooo much with all the sweets in the world on top

 

Answer 1

1.  78% can be rounded to 80% = 0.8.    20*(0.8) = ______?

 

2.  15% = 0.15.  (0.15)*($58) = $_________?

 

3.  62% can be rounded down to 60% = 0.6.   (550)*(0.6) = ________?