Joe needs to do 3 loads of laundry if the washers take a dollar and $1.25 per load in the dryer take $1 per load how many quarte
1 answer:
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Answer:
Kate's electric bill will be $9 for this month for bulb use only.
Step-by-step explanation:
Given:
Electricity bill lass month from bulb use = $12
Using new bulbs percent decrease in electricity = 25%
We need to find this month electric bill for bulb use.
Solution:
First we will find the reduction in bill after using new bulbs.
reduction in bill after using new bulbs can be calculated by percent decrease in electricity using new bulb multiplied by last month Electricity bill from bulb use only.
framing in equation form we get;
reduction in bill after using new bulbs =
Now we will find this month electric bill for bulb use only.
this month electric bill for bulb use only can be calculated by subtracting reduction in bill after using new bulbs from last month electric bill for bulb use only.
framing in equation form we get;
this month electric bill for bulb use only =
Hence Kate's electric bill will be $9 for this month for bulb use only.
Answer:
Actual height of the building is 670 m
Step-by-step explanation:
We have been the actual height of a Ferris wheel which is 134 m. Along with it we are also given the scaled down heights of a Ferris wheel and a building. Using this data we have to find the actual height of a building.
Actual height of Ferris wheel = 134 m.
Height of Ferris wheel using the scale = 0.65 cm
Height of building after using the scale - 3.25 cm
Let, the actual height of building be x meters.
Since, the same scale is being used, the ratio of actual heights to that of scaled down heights must be the same for both objects.
i.e.
Ratio of Actual Height to scale height of Ferris Wheel = Ratio of Actual Height to scale height of the building
Using the values, we get:
The units of actual heights are in meters, so this means the actual height of the building is 670 m