280 ml as a percentage of 140 l.

280 ml as a percentage of 140 l is 0.2%

Step-by-step explanation:

∵ There is an amount of 280 ml

∵ The total amount is 140 l

→ Change the liter to milliliters using the 1st point above

∴ 140 l = 140 × 1000 = 140000 ml

∴ 140 l = 140,000 ml

→ Now divide the amount by the total, then multiply the quotient by 100%

∵ 280 ÷ 140,000 =

∵ × 100% = 0.2%

∴ 280 ml as a percentage of 140 l is 0.2%

x = -2

y = 848

step-by-step explanation:

plug in the numbers