2-An 83cm piece is cut from a length of ribbon measuring 1.3 metres. What length is left?
1 answer:
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Answer: 600
Step-by-step explanation:
Given : Sue planted 4 times as many apple seeds as she planted orange seeds. 15 percent of the apple seeds grew into trees, and 10 percent of the orange seeds grew into trees
Let x be the number of apply seeds and y be the number of orange seeds , the we have the following equations:-
(1)
(2)
Put x= 4y in (2), we get
Divide both sides by 0.70.
Hence, Sue planted 600 orange seeds.