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What’s the numerical coefficient of 6xy

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?