The answer is (d) i’m pretty sure
Let the numbers be x and 4x. So, according to the question,
x + 4x = 100
=> 5x = 100
=> x = 100/5
=> x = 20
So, the number are,
x = 20
and
4x = 4×20 = 80
So, the two numbers are 20 and 80.
Answer:
95
Step-by-step explanation:
Use the mean formula: mean = sum of elements / number of elements
Plug in the mean and number of elements, then solve for the sum of the numbers:
mean = sum of elements / number of elements
19 = sum of elements / 5
95 = sum of elements
So, the sum of the numbers is 95.
10% means 10 out of 100.
So 10% of 120=

So total number of books now = 120+12 =
132
Answer:
1.Three and Nine Hundredths 2. 3 9/100 3. 390%
Step-by-step explanation: