14 houses does not have street light
20/3~6
20-6=14
Answer:
Step-by-step explanation:
Each number has initially 10 options.
If one option used for the first number then the second number has one less, 9 options. Similarly, the third number has one less number of options than the second number, 8 options.
Total number of combinations is
Angle A is opposite side BC
First convert all your measurents into inches 600in, 480in,18in then multiply them to get 5184000 cubic inches, convert cubic inches to gallons and you have 22441US gal lqd divide 22441 by 1000 and it will take you 22.441 hours