zhaleema03 zhaleema03

20-09-2022
Mathematics

contestada

a) The cost of SCUNGE increased by 15% last week then fell back to its original price this week.

By what percentage has the cost of SCUNGE fallen this week?

b) A tree increases in height by 15% each year. When it is 1 year old it is 40cm tall. How many years old is the tree when it reaches a height of 8m?

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