Me with this tenmarks question
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Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What is always true when two whole numbers are subtracted?

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the