To get a B in a course, you must have an average of at least 80 points for 4 tests of 100 points each. For the first 3 tests, your scores are 79, 84, and 83. What must you score on the fourth test to earn an 80% average for the course?
points

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

idk

step-by-step explanation:

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