vk32183 vk32183

20-08-2020
Mathematics

contestada

There are only HB and F type pencils in the store. The ratio of the number of HB to F is 7 : 3. If there are 15F type pencils, how many pencils are there altogether?

Respuesta :

mhanifa mhanifa

21-08-2020

Answer:

50

Step-by-step explanation:

Ratio is

7 : 3

Total number is

7x + 3x = 10x

Since F type pencils number is known:

3x = 15
x = 15/3
x = 5

Then total number is:

10x = 10 *5 = 50

Answer Link

Otras preguntas

What is the role of memory in a computer

21,5=13 7,9=8 36,2=19 1,7=?find the value of ?

[tex] {4}^{m} = \frac{1}{16} \\ find \: m[/tex]

I NEED HELP ASAP!!! What is the average speed shown on the graph between point A and point D?

A 90% confidence interval is found to be (120,140). What is the margin of error?

Why do you think African American culture is often categorized as "Non-Western Culture"?

The primary purpose of a switch in a circuit is to ___________. A)either open or close a conductive path B)change a circuit from parallel to series C)change a c

How many 4-digit passcodes can be created if each digit can be any number, 0-9? 6,561 10,000 40 5,040

hi guys good morning i am shamiksha my old account got deleted without knowing this is my new account so if u want any help plz ask me

can u guys help me with this