exam Maths Puzzle Numerical Ability

a newsagent buys 100 overseas magazines and pays $100 for them. He buys American magazines for $10, British for $5 and comics for 50 cents each how many of each does he buy?

thank you so much really appreciate your help

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exam Other Question

the directions to my question are:"write the point-slope form of an equation for each line passing through the given point and having the given slope."
my question is: (7,2),m=5
Consider the problem:

(x-8)/ (x-5 ) divided by (x-9)/ (x+4)



Explain why -5, 9, and -4 are not allowable replacements for the variable x.