3 boys averaged 52 snacks boy 1 and boy 2 averaged 61 snacks and boy 2 and boy 3 averaged 44 snakes. How many snakes did they each make?
3 boys averaged 52 snacks boy 1 and boy 2 averaged 61 snacks and boy 2 and boy 3 averaged 44 snakes. How many snakes did they each make?
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One number is seven less than a second number. Six times the first is 2 times more than 2 times the second. Find the numbers
The size P of a certain insect population at time t (in days) obeys the function 1. What is the initial number of insects (at t=0 days) 2. What is the population after...
A woman bought s shirts at $20 each and j jerseys at $15 each at a total cost of $155. If however she had bought half as many shirts and twice as many jerseys, then the total cost would have been...
I need help on this word problem because I do not understand it at all.
The population of a colony of a certain insect obeys the law of uninhibited growth. If there are 500 insects initially and there are 800 after one day, what is the size of the colony after...
9 books are to be bought by a student. Some cost $6 each and the remainder cost $6.50 each. If the total amount spent was $56, how many of each were bought?
The sum of three numbers is 9. The first number plus the second plus the third is 3. The first minus the third is 1 more than the second. Find the numbers.
You have already invested $400 in a stock with an annual return of 11%. How much of an additional $1,200 should be invested at 12% and how much at 6% so that the total return on the entire $1,600...
ten less than twice a number is the same as 7 times the number. find the number
A boy bought 3 cakes and 4 pies from a shop and received $7.50 change from $40. If he had bought 4 cakes and 3 pies from the same shop, then he would have received $0.75 change instead. How much did...
the number of arrests in a town during the year 2000 was 50. it is predicted that each of the next 25 years the number of arrest s will increase by %5. Using an exponential growth model approximate...
a chemist has two solutionscof H2SO4. One has a 40% concentration and the other has a 25% concentration.
A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of 0.8 penalties per game. What is the probability...
A golden rectangle has a longer side of length 180 ft. Which of the following numbers most closely represents the length of the shorter side of the rectangle? a. 291.24 ft b. 111...
A job pays a salary of $22,000 the first year. During the next 10 years, the salary increases by %4 each year. What is the total lifetime salary over the 11-year period?
You work at a local day care center, and have been asked to help construct a new sandbox. Because the name of the center is "triangle child care," the pwnders would like to have a sandbox...
If there are n teams in a league and each team plays every other team once, the total number of games played is given by the polynomial function f(n)=1/2n^2-1/2n. Find an equivalent expression for...
Given that f(x)= 3x^2-15x+11, find all value of x such that f(x)=11