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A brother and sister share some pocket money together in the ratio of 4:7. The brother receives £18 less than his sister. How much pocket money do the brother and sister get each?

The brother receives £18 less, meaning the sister receives £18 more than the brother.7 - 4= 3. This means that 3 parts of the ratio is equal to £18, therefore 1 part of the ratio is equal to £6.Brother ge...

JD
Answered by Jojo D. Maths tutor
2247 Views

Why was Italy not unified from 1848-9

Firstly, there was disagreement over the role of Austrians in Italy which ultimately led to Austrians remaining in control of the region. Austrian control of Italy ensured that Italy could not fully unify...

AB
Answered by Amber B. History tutor
10952 Views

A block of mass M lies stationary on a rough plane inclined at an angle x to the horizontal. Find a general expression relating the coeffecient of friction between the block and the plane and the angle x. At what angle does the box begin to slide?

The first step to any problem is to draw a suitable diagram. Here we draw a free body diagram, marking the angle x, the friction force F, normal reaction force N and weight of the block Mg. "Stat...

EG
Answered by Elliot G. Maths tutor
2466 Views

X Ltd is selling their only product at 12.50 per unit and they have managed to sell a total of 3000 units. They currently have total costs at £32000, £15000 of which are Fixed costs. How much is the total revenue and the total Variable costs?

Total revenue = Units sold x selling priceSo £12.50 x 3000 = £37,500Fized costs = £15000Vaeiable costs = £32,000 - £15,000 = 17,000

AT
2696 Views

What are the effects of pressure changes for a system in equilibrium.

An increase in pressure will cause the equilibrium to shift towards the side with the smaller number of molecules. A decrease in pressure causes the equilibrium to shift towards the side with larger numbe...

TD
1443 Views

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