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How do you divide fractions?

When dividing fractions you must remember the KEEP, CHANGE, FLIP rule. KEEP - The first fraction you KEEP as it is, you don't change it. CHANGE - You now change the sign from a division to a multiplication. ...
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Answered by Matthew B. • Maths tutor
4119 Views

All tickets for a concert are the same price. Ayo and Rachel pay £63 total for some tickets. Ayo pays £24.50 for 7 tickets. How many tickets does Rachel buy?

24.50/7 = £3.50 - price of 1 ticket 63/3.50 = 18 - number of tickets bought total 18 - 7 = 11
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Answered by Sasha J. • Maths tutor
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Why is it that Gonorrhoea can be treated with an antibiotic, but HIV cannot?

Gonorrhoea is caused by a bacteria whereas HIV is a virus. Antibiotics are only effective on bacterial diseases, but do not treat viruses as they are found inside the host cell.
SJ
Answered by Sasha J. • Biology tutor
4006 Views

Describe how oxygen in the air reaches the capillaries surrounding the alveoli in the lungs.

Oxygen moves down the trachea, into the bronchi and into the smaller bronchioles, down a pressure gradient. Once the oxygen reaches the alveoli it moves down a diffusion gradient across the alveolar epitheli...
SJ
Answered by Sasha J. • Biology tutor
8935 Views

How do I simplify an equation?

Lets take this as an example: Simplify 5a - (2a + 6) To 'simplify an equation' means to put it at its most basic form To make it easier for us, we can place a 1 infront of the bracket, so we know what we are...
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Answered by Laura G. • Maths tutor
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