Daniella is solving 8/9 divided by 4 find her mistake and correct it

Work:

8/9 : 4 = 8/9 : 4/1 = 32/9 or 3 5/9

Which rational number represents a decrease in water level from 8 feet to 6 feet?

A car requires 22 litres of petrol to travel a distance of 259.6 km. Find 1) the distance that the car can travel on 63 litres of petrol, 2) the amount that the car owner has to pay to travel a distance of 2013.2 km if a litre of petrol costs $1.99.

How do I solve a problem dealing with percentages? Example: 10% of $50.00 It's become very frustrating because google says this is the formula: Sale price = Original price * (1 - Percent off%) I really don't understand how the formula works.

What does x equal in 3x 81 = - 9?

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What is 3.75 rounded to

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4x - 10 ≥ 22 or x - 5 < - 6

What does control for eximerment mean .