Karin observed that the water level in the part of the river she observed fell 1.68 millimeters per year for 1.5 years. use the distributive property to calculate the exact variation in water level for the time period
Answers
Given : Karin observed that the water level in the part of the river
she observed fell 1.68 millimeters per year for 1.5 years.
To Find : use the distributive property to calculate the exact variation in water level for the time period
Solution:
Watre level fall 1.68 millimeters per year
=> Variation per year = - 1.68 millimeters
Time Period = 1.5 Years
exact variation in water level for the time period = -1.68 x (1.5)
= - 1.68 x (1 + 0.5)
= - (1.68 x 1 ) - 1.68 ( 0.5)
= - 1.68 - 0.84
= -2.52 millimeters
exact variation in water level for the time period = -2.52 millimeters
2.52 millimeters fall in water level for the time period
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