12÷5=2.4
2.4 minutes per watch together
so it takes john about 0.4 seconds to assemble a watch alone
Use a proportion.
9/15 = 12/x
Cross multiply.
9x = 15 * 12
9x = 180
x = 20
Answer: 20 mm
To do this, you most likely have to multiply that numbers that are probably on the sides of whatever.
The ACTUAL answer is -1.24. -1 3/10 as a decimal is -1.30. Since -1.24 is closer to zero, it’s greater.
5/6
Step-by-step explanation:
2/3 is equal to 4/6 and if you add 1/6 + 4/6 you get 5/6