 
<translate> Buru ụzọ gbakọọ ego ole ụtụ isi ahụ bụ site n'ịmụba $15 site na 20%: $15.00 *.2 = $3.00. Mgbe ahụ, si na $20 ahụ wepụ ego nri ahụ na ụtụ isi ahụ iji chọta ego Jason nyere n'onyinye: $20 - $15.00 - $3.00 = $2.00. N'ihi ya, azịza ya bụ 2. <eng> First calculate how much the tax is by multiplying $15.00 by 20%: $15.00 * .2 = $3.00. Then subtract the cost of the meal and the tax from $20 to find Jason's tip: $20 - $15.00 - $3.00 = $2.00.
Thus, the answer is 2. 