Answer:
A is at 1 inch (or whatever units being used)
B is at 2.5 or 2 1/2 units
C is at 3 1/8 units
D is at 3 5/8 units
E goes on the first line after the 4
Step-by-step explanation:
It's helpful to find 10%, as it is on a smaller scale and easier to find. From there it's simple to just multiply by 10 to get 100% of her earnings.
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Answer:
<em>X ball bearings will be made in 1 hour and 20 minutes</em>
Step-by-step explanation:
<u>Proportions
</u>
The proportions give us an important tool to easily solve common problems of any type. We know that:
Company ABC can make X ball bearings in 3 hours.
Company DEF can make X ball bearings in 4 hours.
Company GHI can make X ball bearings in 6 hours.
In one hour, each company can make
ABC: X/3 ball bearings
DEF: X/4 ball bearings
GHI: X/6 ball bearings
Working together, they can make
ball bearings. Operating
If they can make 3/4 of a ball bearing in one hour, then one complete ball bearing will need
hours to complete. It's equivalent to 1 1/3 hours or 1 hour and 20 minutes
X ball bearings will be made in 1 hour and 20 minutes
X² - 5x - 14 = (x - 7)(x + 2)