I’m not sure how to solve the first one but the second one (c) is 24. You have to see the pattern between 15 and 45 and then do that to the denominators. The pattern is multiplying by 3 (15x3 =45) so multiply 8 by 3 and you get 24. Hope this helps and if not, please message me for further help.
The number 8800 is called the numerator or dividend, and the number 4 is called the denominator or divisor.
The quotient of 8800 and 4, the ratio of 8800 and 4, as well as the fraction of 8800 and 4 all mean (almost) the same:
8800 divided by 4, often written as 8800/4.
Read on to find the result of 8800 divided by 4 in decimal notation, along with its properties.
What is 8800 Divided by 4?
We provide you with the result of the division 8800 by 4 straightaway:
8800 divided by 4 = 2200
The result of 8800/4 is an integer, which is a number that can be written without decimal places.
8800 divided by 4 in decimal = 2200
8800 divided by 4 in fraction = 8800/4
8800 divided by 4 in percentage = 220000%
Note that you may use our state-of-the-art calculator above to obtain the quotient of any two integers or decimals, including 8800 and 4, of course.
Fraction: 
Decimal: 0.308
Explanation:
means 4 ÷ 13. If you do that division, you get 0.3076 which can be rounded up to 0.308.
Answer:
28/32 and 26/32
Step-by-step explanation:
A common denominator of 8 and 16 is 32.
7/8 = (7 * 4)/(8 * 4) = 28/32
13/16 = (13 * 2)/(16 * 2) = 26/32
Two equivalent fractions with a common denominator are 28/32 and 26/32.
To get to 86 by only using 10's and 1's you count by 10, 8 times and count by 1, 6 times.