Answer:
Mr. Frankel bought 4 child tickets and 3 adult tickets
Data;
Total number of ticket = 7
Total amount spent =$43
cost of child ticket = $4
cost of adult ticket = $9
To solve this problem, we would write a system of equation representing the word problem.
System of Equation
These are two or more mathematical statements, written to explain a word problem better.
Let x represent the number of child ticket
let y represent the number of adult ticket
From equation(i), let's make x the subject of formula
Put equation(iii) into equation(ii)
Put y = 3 into equation (i)
From the calculations above, Mr. Frankel bought 4 child tickets and 3 adult tickets.
Learn more on system of equations here;
brainly.com/question/13476446
Hope this helps ;) - Itz.Jordan