15 rules cost £3 how much do 40 rules cost?

15 rules cost £3

£3 / 15 rules = 0.2 £/rule

40 rules * 0.2 £/rule = £8

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!