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Three positive whole numbers have a mean of 6. What is the greatest possible range of the three numbers?

The mean is the total of the numbers divided by how many numbers there are. So to find the mean of six, we need to add three numbers together, divide those three numbers by three and get six. This sounds tri...
PW
Answered by Penny W. • Maths tutor
17915 Views

If the rate of photosynthesis is reduced, why is the rate of respiration also reduced?

Photosynthesis uses light energy to produce glucose from carbon dioxide in the air and water in the soil. Glucose is then used in respiration, so if there is a reduced rate of photosynthesis, less glucose is...
JS
Answered by Jasmine S. • Biology tutor
4558 Views

Simplify Fully: (b^6 x b^2) / b^4

Using indices rules: y^a x y^b = y^(a+b), y^a / y^b = y^(a-b) Simplifying the numerator: b^6 x b^2 = b^(6+2) = b^8 Simplifying the whole fraction: b^8 / b^4 = b^(8-4) = b^4 Fully simplified answer is b^4.
CH
Answered by Claudia H. • Maths tutor
4974 Views

Jess wants to buy 30 mugs for her tea party. She can buy them at Shop A at £3.49 each or at Shop B as a pack of 30 at £58 plus VAT at 20%. She wants to get the cheapest option. Which shop should she buy from?

Shop A-> Total Price = 30 plants x £2.49 =£74.70 Shop B-> VAT = 20% = 0.2 VAT = 0.2 x £58 = £11.60 Total Price = £11.60 + £58 = £69.60 OR Total price = 1.2 x £58 = £69.60 Therefore Jess should buy from...
CH
Answered by Claudia H. • Maths tutor
3249 Views

Evaluate the view that perfect competition is a more efficient market structure than monopoly.

Perfect competition is a market structure dominated by many firms. No individual firm is capable of affecting the market supply curve, so one firm cannot affect the market price; the firms are price takers i...
KV
84232 Views