Oneplane traveling 400 mph goes 1250 miles with the wind in the sameamount of time that another plane going at 450mph goes 1000 milesagainst the wind. How fast is the wind blowing.
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1-Solve
{x+y=20 y=-5x}
2)) Eight subtracted from the product of 5 and a number is87.
Write the equation
The number is
3)) Norman and Suzanne own 32 shares of a fast food restaurantstock and 68
shares of a toy company stock. At the close of the markets on aparticular day in 2004, their stock portfolio consisting of thesetwo stocks was worth $1318.00. The closing price of the fast foodrestaurant stock was $24 more per share than the closing price ofthe toy company stock on that day. What was the closing price ofeach stock on that day?
The price per share of the fast food restaurant stock is$-ÂÂÂ_____
The price per share of the toy company stock is$_____________
4)) A 20 % solution of fertilizer is to be mixed with a 60 %solution of fertilizer in order to get 80 gallons of a 50%solution. How many gallons of the 20 % solution and 60 % solutionshould be mixed?
How many gallons of the 20 % solution should be mixed?
How many gallons of the 60 % solution should be mixed?
Solve
{-16(x-4)=15y 4x-4y=-15}
{0.02x+0.08y=-0.05 -0.1x+0.9y=-0.4}
{3x-6y=18 2x+5y=-6}
{2x-3y=27 y=x-11}
{3x-2y=-7 5x+3y=-18}
{-x+2y=-4 5x-10y=20}
{x=7/10 y-2 20x-13y=-35}
{x+y=20 y=-5x}
Eight subtracted from the product of 5 and a number is 87.
Write the equation
The number is
{9/5x-y=8/5 3x+y/2=9/5}
Norman and Suzanne own 32 shares of a fast food restaurant stockand 68
shares of a toy company stock. At the close of the markets on aparticular day in 2004, their stock portfolio consisting of thesetwo stocks was worth $1318.00. The closing price of the fast foodrestaurant stock was $24 more per share than the closing price ofthe toy company stock on that day. What was the closing price ofeach stock on that day?
The price per share of the fast food restaurant stock is$-ÂÂÂ_____
The price per share of the toy company stock is$_____________
A 20 % solution of fertilizer is to be mixed with a 60 %solution of fertilizer in order to get 80 gallons of a 50%solution. How many gallons of the 20 % solution and 60 % solutionshould be mixed?
How many gallons of the 20 % solution should be mixed?
How many gallons of the 60 % solution should be mixed?