8 times 25 times three is 600
Answer:
answer is 
Step-by-step explanation:
the equation is
=> 
=> 
;(divide numerator and denominator of 
by 3)
=> 
=>
hope you have understood this
pls mark it as the brainliest
Answer: That number is 16.
Step-by-step explanation:
n + 7 = 2n- 9 n represents the number now solve the question
+ 9 +9 add 9 to both sides
n + 16 = 2n subtract n from both sides
-n -n
16= 1n Divide both sides by 1
n= 16
Check: 16 + 7 = 2(16) - 9
23 =23
Another problem you could solve in this equation is inside the perenthisis so it would be 8+12.5
Answer: 70
Explain:
80*5 = 400
this tells us that the total scores before
dividing must be 400
400 - (78+88+83+81) = 70
this tells us that we lack +70
in conclusion, to get an average of 80% on Sara's test scores; She must receive a grading of 70% in her next test.
