15 is 30% of
50 Change the percentage to a decimal by dividing it over 100:
Divide 15 over 0.3:
Step 1 , switch sides - 29-3b<10
step 2 , subtract 29 from both sides - -3b< -19
step 3 , multiply both sides by -1 - 3b > 19
step 4 (answer) - divide by 3 = 19/3
Not sure what x' means but
seems to be the reverse distributive property
normally written as
a(b+c)=ab+ac
we can see the similarity
a(x'+y)=ax+ay
distributive property
San Antonio to Dallas
65mph with 277 mi
277/ 65 = 4.26 hours
4.26 hours < 4.5 hours
so answer is YES
-----------------
Dallas to San Antonio: 277/4.75 = 58.32 mph
Lubbock to El Paso : 344/4.5 = 76.44 mph
San Antonio to Abilene: 261 / 4.25 = 61.41 mph
Dallas to Abilene: 185 / 3 = 61.67 mph
answer
lowest speed is :
Dallas to San Antonio in 4 3/4 hours
