IM 7th Grade Unit 4 Review

Front

What is the formula to calculate the new amount after a percentage increase?

Back

New Amount = Original Amount × (1 + Percentage Increase)

Front

If a container holds 53 fluid ounces and claims to hold 25% more, how do you calculate the new capacity?

Back

New Capacity = 53 × (1 + 0.25) = 66.25 fluid ounces

Front

What does it mean if Andre read for 5/8 more minutes than Kiran?

Back

It means Andre read for Kiran's time plus 5/8 of Kiran's time.

Front

How do you express '5/8 more' in terms of an equation?

Back

y = x + (5/8)x = 1.625x

Front

What is the relationship between a price increase and the original price?

Back

If the price increases by a percentage, the new price can be calculated using the formula: New Price = Original Price × (1 + Percentage Increase)

Front

How do you find the original price if you know the new price and the percentage increase?

Back

Original Price = New Price / (1 + Percentage Increase)

Front

What is the equation to find the original number of students in a class after a percentage increase?

Back

Original Students = Current Students / (1 + Percentage Increase)

Front

If a class has 30 students after a 15% increase, how do you find the original number of students?

Back

Original Students = 30 / 1.15 = 26.09 (approximately 26 students)