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A bottle contains 300ml of medicine, the dose for a child can be given by (m*a)/150 where m is the child's age in months and a is the adult dosage of 40ml. If you need 2 doses a day, how long will the medicine last until it's empty for a 2y/o child?

1) Work out the dosage required by the child per day 2 years old in months is 12 2 = 24. (12 is the number of months in a year and 2 is the child's age.)24 40/150 = 6.4 ml (Using the formula given to us from...
HN
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Work out 64^1/2

8
TD
Answered by Tutor407828 D. • Maths tutor
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how should i revise maths, since there aren't many notes and its mainly applied?

The best way to revise is by doing practice questions, you can’t just read about the theory, you need to do as much practice as possible. This is why practicing past papers is the number one tip for revising...
PN
Answered by pavithra n. • Maths tutor
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Max invests £2000 and gets 2.5% compound interest per year. Jade invests £1600 and gets 3.5% compound interest per year. Work out who will get the most interest by the end of 3 years.

To calculate the interest for Max we need to do 2000 multiplied by 1.025 3 To calculate the interest for Jade we need to do 1600 multiplied by 1.035 3 At the end of the three years, Max will have £2153.78 wh...
TD
Answered by Tutor405605 D. • Maths tutor
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At a concert, the number of men, women and children can be expressed with the following ratio: 6:11:4 There were 6525 more women than men. How many children were at the concert?

We know there are 6525 more women than men. We can deduce that 5 'parts' = 6525 as 11-6=5If 5 parts = 6525. 1 part = 6525/5 = 1305.We know that 4 parts are children so, 1305 * 4 = 5220Alternatively, once you...
SR
Answered by Sandesh R. • Maths tutor
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