i had invested money in 2 accounts. tell me how to figure this out

i had invested money in 2 accounts. tell me how to figure this out

dual problems

douglas was planting grape vines. he completed 2 4/5 rows of grapes each hour he worked. After completing 140 rows of grapes, hoe many hours had he worked?

If the president of a university makes three times as much as one of the department head. If their total salaries equal 250,000 find the the department's head salary.

A solution must contain 2% acetic acid. If 24 ounces of acid are available , how much solution can be made

How much is the discoun? How much is the sales tax, what is the total cost of the camcorder

How much is person pay if the BILL IS $24.60

If Kayla can do 216 sit ups in 8 minutes. How many sit ups can she do in 5 minutes?

In the Mascot Football League, the teams can score only 3- point field goals and 7-point touchdowns; so safeties or extra points are not allowed. In one contest, the SEC Mascots defeated the ACC Mascots...

its all up there but since i need to doo 20 characters i just wrote this

Word problem

Word problem

A plumber cut a 48-foot piece of pipe into two pieces. The length of the longer piece was twelve feet more than twice the length of the shorter piece. What was the length of each piece of pipe?

Suppose that the number of bugs in a rain-forest is growing exponentially. If there were 2880 bugs after 3 weeks and 5120 bugs after 5 weeks, how many bugs were there initially?

The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person with a...

In kick boxing, the energy needed to break a board of standard width and thickness varies inversely with the length of the board. If 3.7 Joules of energy are required to break a 30-inch board, how...

Barbara left Amanda's house heading toward the ocean. One hour later,Amanda left driving 8mph faster than Barbara in an effort to catch up with her. After four hours, Amanda caught up with Barbara...

Paul and Donna Petrie invested $31,000, part at 6% simple interest and the rest at 7% simple interest for a period of 1 year. How much did they invest at each rate if their total annual interest from...

form an equation using x as the number and solve it to find thye number for this statement.

Please answer the following 3 questions: 1. What is a one-to-one function, and how can you determine if a given function is one-to-one? Provide complete details and answer in a complete sentence...

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