Systems of Equations (Graphs & Word Problems)

• ( 3 , -2 )

• ( -2 , 3 )

• ( 0 , 0 )

• ( 1 , 1 )

• ( -1 , -1 )

• ( 7 , 3 )

• ( 10 , 4 )

• ( 0 , 0 )

• ( 1 , 1 )

• ( 4 , 10 )

• ( 2 , -2 )

• ( 3 , 2 )

• ( 0 , 0 )

• ( 1 , 1 )

• ( 4 , 0 )

• ( 6 , 2 )

• ( 5 , -4 )

• ( 0 , 0 )

• ( -1 , -1 )

• ( 2 , 9 )

• ( -3 , 8 )

• ( 5 , -8 )

• ( 0 , 0 )

• ( 3 , 1 )

• ( -2 , 6 )

• ( -3 , 7 )

• ( 4 , 2 )

• ( 0 , 0 )

• ( -3 , -2 )

• ( 4 , 7 )

Charlotta is making a chocolate castle with a blend of dark chocolate and milk chocolate at her factory.

 

She wants to buy 50 kg of DARK chocolate MORE THAN MILK chocolate, and she needs 250 kg of chocolate in TOTAL.

Let d be the number of kilograms of DARK chocolate, and 

m be the number of kilograms of MILK chocolate she buys.

Which TWO EQUATIONS form the System of Equations?

Hint:

Equation for total chocolate

AND

Equation for comparing amounts of chocolate.