Simultaneous Equation

At a flower show which 1250 attended, outsiders were charged $1, villagers $ 0.5 and school children $ 0.05. The total receipt from the flower show was $695. There were 3 times as many villagers as outsiders. How many outsiders came to the show?

Simultaneous equation using cross multiplication technique

Use cross multiplication to solve the equation:

5x- 3y -1=0 -------------- (1)
x +2y- 12=0 --------- (2)

simultaneous equation using cross multiplication technique

Use cross multiplication to solve the simultaneous equation:
3x-2y-5=0
4x +6y+12=0

Simultaneous equation

Two persons A and B  are 27 km apart, setting out at the same time, are together in 9 hours if they walk in the same direction, but in 3 hours if they walk in opposite directions. Find their rate of walking.

Simultaneous equation

A, B and C travel from the same place at the rates of 5, 6 and 8 km/hr respectively. If B starts 2 hours after A, how long after B must C start in order that they may overtake A at the same instant?

Simultaneous equation

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simultaneous equation

                       

Simultaneous equation

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SImultaneous equation

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Simultaneous Equation

A train running from A to B meets with an accident 75 km from A, after which it travels with 3/5th of its original velocity and arrives 3 hours late at B. If the accident had occurred 75 km further on, it would have been only 2 hours late. Find the distance from A to B and the original velocity of the train.

Simultaneous Equations

If 2 rabbits and 4 dogs cost $ 1750, three dogs and 2 cats cost $ 1725 and one cat and 3 rabbits cost $ 675. Find the price of each.
Let cost of 1 rabbit = R, cost of 1 dog = D, cost of 1 cat = C

Simultaneous Equations

Two numbers are formed by the same two digits, and if the smaller number is divided by the greater the quotient is 4/7, and if the smaller is subtracted from the greater the remainder is 27. Find the number.

simultaneous equation

A certain number of two digits is three times the sum of its digits and if 45 be added to it the digits will be reversed, find the number.