5/16 = 25/80
3/8 = 30/80
2/5 = 32/80
Because 25/80<30/80<32/80, the washer with the size of 5/16 inch is the smallest~
Answer:
D
Step-by-step explanation:
All of the other functions are functions that are just multiplicative. When we substitute any x for A, B,or C, y/x will be the same. In D y/x will vary.
If each garden takes 20 minutes to clean, it will take him (20 x 4) to clean the gardens.
20 x 4 = 100
80 minutes
or 1 hour and 10 minutes.
![\left \{ {{y=x} \atop {y=2x-11}} \right. \\x=2x-11\\x=11\\\\y=x\\y=11\\\\\\Answer: (11;11)](https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7By%3Dx%7D%20%5Catop%20%7By%3D2x-11%7D%7D%20%5Cright.%20%5C%5Cx%3D2x-11%5C%5Cx%3D11%5C%5C%5C%5Cy%3Dx%5C%5Cy%3D11%5C%5C%5C%5C%5C%5CAnswer%3A%20%2811%3B11%29)
P.S. Hello from Russia :^)