Find a number which when increased by 10% becomes 77

Find a number which when increased by 10% becomes 77

I can solve the equation I just don't know how to make the equation

a high school student became dehydrated while recuperating from a virus.In the hospital he was given 1000cc of glucose intravenously at a drip rate of 5cc per minute.Write an equation describing the...

27 6 24 33 30

A rectangular garden sits next to a house. Three sides of the garden are fenced, and the fourth side is the house. The length of the garden along with the house is 9 meters. A total of 21.5 meters...

Three towns, S, W, and D are on a straight road in that order. The distance from W to D is 12 more miles than twice the distance from S to W. The distance from S to D is 4 more miles than 4 times...

There are two formulas that can be involved with this problem, but I am not sure which one to use.

You are designing a pool to go in your backyard. The length of the pool is 3 times it's width. The length is 15 meters. What is the width?

Mrs. Chandler invest in bonds if her total profit on both types of investments was $4,380? Translate the word problem into an equation then solve. Please Help!!

A gardener can use one of the three brands of fertilizers during the next growing season. The following decision table shows the expected gross income per acre for each fertilizer brand and weather...

- before the two cars meet? Write your answer a a decimal. Please Help!!

Translate the word problem into an equation then solve. Please Help!!

T= Temperature –A = area of the Lawn – N= number of people – R= inches of rain- W =water T = 72 degrees A = 1500 ft2 N = 3 R = 4.6 inches Using these values,...

In an online shop, 800 copies of a textbook have been sold, including new and used ones, and a total of 7110 euros has been obtained. A new books costs 10 euros, while the used ones are sold...

sally sells slugbrellas for $148, and slug shield Deluxes for $182, there is a sale for 15% off the slugbrellas and 20% off the slug shield Deluxes. She sold 27 itams. She deposited a total of $3270...

I need to know how to write out this problem and solve it. I have tried it numerous times but still fail.

There are 5 bottles (A, B, C, D, E). There is a group of 150 people. Each person from the group gets to take home 3 out of the 5 bottles. How many bottles do i need to order?

The triangle has one side that is 6x-18 and the siade equal to that is 4x-8

(-1,-5),(0,-(1,-1)and(2,1)

I don't know how to find this sale price. All I know is that 30 % and 78 $ are the answer, but don't know how to use them to find the answer.