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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
SJ
Answered by Sasha J. • Maths tutor
3690 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...
LG
Answered by Laura G. • Maths tutor
12182 Views

Find the interval for which x^2 - 7x + 10 </= 0

Factorise the quadratic by finding two numbers that add to make -7 and multiply to make 10. (i.e. -2 and -5). So x^2 - 7x + 10 = (x - 2)(x - 5) &lt;/= 0. Sketch the quadratic to see where it is negative or z...
LT
Answered by Lewis T. • Maths tutor
8160 Views

How do I calculate the distance between two vectors?

Suppose we have two vectors U (a1,b1) and V (a2,b2). Hence, the distance between U and V will be given by the formula: d=sqrt((a1-b1) 2 + (a2-b2) 2 )
RT
Answered by Rares T. • Maths tutor
15716 Views

How to Solve: (11 − w)/4 = 1 + w

Step 1 : First we multiply both sides by 4, this is to eliminate /4 on the lhs(left hand side), and then we multiply the rhs(right hand side) by 4, this gives us (11-w) = 4(1+w) which is then equeal to 11-w ...
JS
Answered by Jahnavi S. • Maths tutor
8264 Views