Answer:
last one
Step-by-step explanation:
2/32 = 1/16 gallons per mile WRONG
32/2 = 16 miles per gallon WRONG
3/42 = 1/14 gallons per mile WRONG
42/3 = 14 miles per gallon RIGHT
What you could do it is. Start adding numbers and once you get close to
6 numbers See if you are close to 51 and switch around the numbers to make it equal 51 hope this helps
137,638+52,091 is 189729.