i need help with this problem.

i need help with this problem.

Thanks alot ππππ

How many boys were there when there are 10 girls and 100 teachers? βADDITION TO THE QUESTION π Thanks alot!π

Sorry for the long question, but I can't figure out this problem: "Will and Eric are looking at the company's health care options and trying to determine what their taxable income...

C=74x+760; R94x no more than 27 units can be sold

Butch Err owns a feedlot on which he fattens up cattle for market by feeding them a mixture of corn and pellets. He wants to find what mixture of corn and pellets will give the minimum feasible cost...

Jane went shopping and bought 2 pairs of shoes for $80.00, the price of the second pair of shoes was $15 less than 3 times the first pair of shoes. What's the price of both shoes?

find and simplify

Patrick brought notebook and pens for her daughters, he brought 8 notebooks and 3 pens for isha and spent 365pesos .for any he brought 3 notebooks and 2 pens and spent 150 pesos.How much the notebook...

nine more than thrice a smaller number is twice the bigger number is 26 more than twice the smaller number.then what are the numbers?(write the smallest number before the bigger number

The product of two consecutive integers is 156. What are the two integers?

Patrick brought notebook and pens for her daughters, he brought 8 notebooks and 3 pens for isha and spent 365pesos .for any he brought 3 notebooks and 2 pens and spent 150 pesos.How much the...

mike age is 3 less than twice the age of his brother nuke. Ten years ago, four times nuke's age was one more mike's age. what are their present ages?

Find Area of Square ABCD 90x^2 = width 30x - 5 = height a. 5/3 units^2 b. 25 units^2 c. 625 units^2 d. 25/9 units^2 ...

please help me with this question for maths. I am very stuck.

John traveled from Town A to Town B at a rate of 55 mph. Traffic was bad on his return trip home, and he traveled at a rate of 45 mph, so it took him an hour longer. How long did it take him to drive...

Bob has 40 coins consisting of pennys nickels and dimes in his bank. The total value of these coins is $1.65. Let K be the number of pennies Bob has in his bank. Determine the sum of all the possible...

Macs hotal had 128 rooms and 25% of the rooms in the hotel did not have an ocean view. Write an expression to find the total number of rooms in the hotel that had an ocean view.

If two trains are traveling 25 miles per hour but are 50 miles away from one another how long would it take for them to meet

This is a science/math problem. I'm pretty sure I have to convert the minutes to hours, but I don't know what to do with the kilometers then. I need clarification and steps to show me what I need...