Question

Someone please help me step by step i've been stuck on this and i want to learn

1. D = 1/25fh solve for f

2. D = p(3 + nr) solve for r

Answer 1

I have time to help you with one

Answer 2

D=1/25fh
is fh a denominator?

Answer 3

\[D=\frac{ 1 }{ 25fh}\]

Answer 4

no its just next to 1/25

Answer 5

ok multiply 25 to both sides first

Answer 6

25D = fh ?

Answer 7

then divide h to both sides

Answer 8

correct so far

Answer 9

25d/h = f

Answer 10

so, f = 25d/h

Answer 11

yes

Answer 12

sorry gotta go

Answer 13

Thankkks! can you help me with the second one?