S. When coffee beans are dried, the mass
decreases
in the ratio 5:13. Find the mass
of green coffee beans which must be
dried to
give 750kg of dry coffee bean:

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

10 you would take 50/ .2

step-by-step explanation:

42.4

step-by-step explanation:

convert to decimal