exam
Maths Puzzle
Numerical Ability
9x-3y=24
7x-3y=20
using the elimination method
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exam Other Question
Please help me with this statement.
Write each compound statement in symbolic form.
#2 You're staying and I'm leaving.
#4 I'm leaving and you're staying.
These are
Marge can paint her house in 12 hours. If John helps her it takes them 9 hours. How long does it take John to paint the house by himself