The answer is: " 3:2 " .
_______________________________________________________
Note:
_______________________________________________________
15 granola bars : 10 fruit bars ;
15:10 = 15/10 = (15÷5) / (10÷5) = 3/2 ; or, 3:2.
The answer is: " 3:2 " .
_______________________________________________________
The percent would be 18.1%.
I would do Math First just to nock it out the way
Answer:
Let the test scores be x1, x2, x3, x4
(x1 + x2 + x3)/3 = 88
x1 + x2 + x3 = 264
(x1 + x2 + x3 + x4)/4 = 90
264 + x4 = 360
x4 = 360-264
x4 = 96
Therefore he should get 96 marks in his 4th test to raise his mean test score to 90
The mean score is the total of all scores divided by the total no. Of tests
Hope this helps!
