<u>Answer:</u>
96
<u>Step-by-step explanation:</u>
Let's assume that the marks needed in the next exam is . Then if the average becomes 90,
Now we can simply solve for :
⇒
⇒ [Multiplying both sides by 4]
⇒ [Subtracting 264 from both sides]
⇒
Therefore, you need to score 96 in your next exam to have an average of 90 on the four exams.
Answer:
33 cubic unit
Step-by-step explanation:
Volume of the prism = base area * height
= 9 * 3 2/3 {Change improper to proper fraction}
Answer:
17 teaspoons
Step-by-step explanation:
1 tbs : 3 tsp
Always start by converting mixed numbers into fractions;
multiply the whole number part by the denominator (under part) of the fraction part and add this to the numerator (upper part);
Then simply apply the ratio.