(c) In an orchard of 400 trees, 35% are mango trees, 42% are apple trees and
the rest were grape vines. How many grape vines are there?
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Step-by-step explanation:
Total number of Trees = 400.
No of mango trees = 35 °/• of 400
= 35 ÷ 100 × 400
= 140 trees.
No of apple trees = 42°/• of 4
= 42 ÷ 100 × 400
= 168 trees.
No of grape vines = 42 °/• + 35°/•=77°/•
= 100 ‐ 77
=23°/•
=23 percent of 400
= 23 ÷ 100 × 400
=92 trees.
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