exam Maths Puzzle Numerical Ability

Celsius temperature readings can be converted to Fahrenheit readings using the formula F-=9/5C + 32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10, 0, 15, 100.

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exam Other Question

The attendance at a ball game was 400 people. Student tickets cost $2 and adult tickets cost $3. If $1050 was collected in ticket sales, how many of each type of ticket was sold? find 2 points for for the equation y=-5/6x +2
WE came up with 0,2 & -6,7 is this correct?