4 because 3 * 4 = 12 then add 2 and that would give you 14 so 4 is the answer
a writer will use a for the informal language
195 miles
45x4=180
45 divided by 3=15
180+15=195
Hi , the answer is 1.08 x 10*8.
R=I+6 S=4R I
I+(I+6)+4(I+6)=126
Basic algebra (I dont know how to show it) leaves you with: 6I = 90, divide both sides by 6 and I=15