Answer :
Answer:
c=2.22
Step-by-step explanation:
1/a- 1/b=1/c- 1/d
1/1/2- 1/1/4=1/c- 1/1/5
0.5-0.25=1/c- 0.2
0.25=1/c- 0.2
0.25+0.2=1/c
0.45=1/c
cross multiply
0.45×c=1
0.45c=1
divide both sides by 0.45
0.45c=1/0.45
c=2.22
Answer:
c=2.22
Step-by-step explanation:
1/a- 1/b=1/c- 1/d
1/1/2- 1/1/4=1/c- 1/1/5
0.5-0.25=1/c- 0.2
0.25=1/c- 0.2
0.25+0.2=1/c
0.45=1/c
cross multiply
0.45×c=1
0.45c=1
divide both sides by 0.45
0.45c=1/0.45
c=2.22