3900 bulbs were used to decorate a building. Of these 25 percent was green,15 percent was red and rest were yellow. Find the number of yellow bulbs used.
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So , Percentage of yellow bulbs is 60%
So , No. of yellow bulbs = 60/100× 3900 = 2340
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So , No. of yellow bulbs = 60/100× 3900 = 2340
Hope it helps you . Mark it brainliest if possible
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2
25/100 x 3900 + 15/100 x 3900 + z /100 x 3900 = 3900
25 x 39 +15 x 39+ z x 39 =3900
1555+39z=3900
39z=2345
z=2345/39
25 x 39 +15 x 39+ z x 39 =3900
1555+39z=3900
39z=2345
z=2345/39
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