B = 3C
2B + 4C = 30
Substitute 3C for B in the second equation to solve for C, then insert value in the first equation to find B.
The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them.
Complete the following statement.
The Robinson's have
____cats and
____budgies.
I need help, can someone show me the working out so i can answer similar questions
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P.S. It is better to indicate specific topic in subject space to get a tutor who knows the subject. You lucked out this time.
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