Answer:
900 batteries
Step-by-step explanation:
First we must find how many batteries does 1 calculator need
we can do this by dividing 160 by 40
which will give us 4 batteries per calculator
then we multiply the amount of calculators we have with 4
225×4 = 900 so we need 900 batteries
Answer:
The slope is

Step-by-step explanation:

Answer: 0.333
Step-by-step explanation:
<span>The sum of two numbers is 50. The smaller number is 18 less than the larger number. What are the numbers?
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Equations:
x + y = 50
x = y - 18
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Add and solve for "x"::
2x = 32
x = 16
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Solve for "y"::
16 + y = 50
y = 34
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Hope I helped!
~Tomas</span>
Answer:
x=-2.5
Step-by-step explanation:
2x-10÷4=3x
2x-2.5=3x
-2.5=x