30 students in grade 8 finished their summer packet before August 15. This was 12% of all the students. How many students are in grade 8?

There are 1,200 people at the beach. If 88% of them went in the water,
how many people DID NOT go in the water?

A $800 T. V. is on sale for 15% off. What is the cost of the T. V.?

You go out to dinner and the bill is $45.12. You want to leave
an 18% tip. How much money should you leave?

1)250 2) 144 3)

Step-by-step explanation:

1) 12/100 = 30/x 2) 1200*0.88

12x=3000                1200-1056

x=250                             144

3)800*0.15   4) 45.12*0.18

  800-120         45.12+8.12

    680                about 53.24

answer: 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

step-by-step explanation:

the diameter is 16 cm. are you a teacher?

step-by-step explanation: