The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there? Kerion has a beaded necklace business

Question

Burka [1]

3 years ago

14

The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there? Kerion has a beaded necklace business

she can make 12 necklaces in 2 hours how long will it take her to make 9 necklaces

Mathematics

1 answer:

Misha Larkins [42] · Answer 1 · 2022-01-26T23:51:35+03:00

Misha Larkins [42]3 years ago

7 0

Answer:

we express the ratio of pencil to eraser and multiply it by the number of the number of pencils and erasers. 4/5 * x=20 , so x=25, then it implies that there are 5 erasers.