A shop sells orange juice in the following ways: 250 ml bottle for £0.70 1.5 l carton for £2.40 each or 2 cartons for £4.50 2 l carton for £3.50 What's the cheapest way of buying exactly 5 litres with no extra? Find the amount of each type of bottle or carton you need and the total cost of buying 5 litres.

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

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step-by-step explanation:

-3(b-8)-5=9(b+2)+1

distribute

-3b+24-5=9b+18+1

add/ subtract

-3b+20=9b+19

20-19= 1

-3b+1=9b

9b+3b= 12b

1=12b

1 divided by 12 = 1/12

answer: 1/12 = b