White paint costs £2.80 per litre. blue paint costs £3: 50 per liter. white paint and blue paint are mixed in the ratio of 3: 2. work out the cost of 20 litres

step-by-step explanation:

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

$75.00

step-by-step explanation:

i = prt

i = 1,5000 * 0.025 * 2

i = 75