Question
Opal bought 9 kg of mutton and 4 kg of beef for $106. If she brought 4 kg of mutton and 9 kg of beef, she would have to pay $30 less. How much did 1 kg of mutton cost?
4 m

Click button first when a symbol is required. X

Opal bought 9 kg of mutton and 4 kg of beef for $106. If she brought 4 kg of mutton and 9 kg of beef, she would have to pay $30 less. How much did 1 kg of mutton cost?