9. Jessica had 400 pebbles in her collection. - of 1/10
them were red. Of the remaining,1/3
were blue, and 100 pebbles were green . the rest were black. how many black pebbles were there?
Answers
Answered by
15
Answer:
140
Step-by-step explanation:
1/10 pebbles are red
No. of red pebbles=1/10*400=40
pebbles left=400-40=360
1/3 remaining are blue
No. of blue pebbles=1/3*360=120
pebbles left=360-120=240
100 pebbles are green and rest are black,so black pebbles
=240-100=140
Answered by
13
Answer:
total no. of pebbles Jessica had=400
no. of red pebbles=1/10*400=40
no. of pebbles left=400-40=360
no. of pebbles were blue=1/3*360
=120
no. of pebbles were green=100
no. of black pebbles=360-(120+100)
=360-220
=140
If you find this answer helpful please mark me as brainliest
Similar questions