Question

Q7. Lucy is tiling her bathroom. She buys white and blue tiles according to the ratio

Answer 1

Answer:

Pounds 289.20

Step-by-step explanation:

ratio    white:blue

           13:2

             x:16

Using cross product she bought x= 16*13/2=104 white tiles

Total amount she spend on tiles= 104*2.35+ 16*2.80

    Pounds 244.4+ 44.8= Pounds 289.20

Answer 2

Answer:

£44.8 if buy only blue tiles as mentioned that she buys 16 blue tiles in total. but if she buy totally 16 blue tile and proportional white tiles, £289.2 will be spend

Step-by-step explanation:

white:blue = 13:2

if buy 2 blue , white = 13

if 16 blue white will = 13/2*16 = 104

total spend on tiles (2.80*16)+(2.35*104) = 44.8 +244.4

= 289.2