The answer is d) none because substituting -1/4x + 5/3 for y in the first equation gives 3x - 3x + 5/3 = 20 so 5/3 = 20 which is not true.
Numerical expression:
2 * 8 - 4 or 12
Good luck :)
1.6mm cuz yes and if wrong my bad g
The subtotal of the meal is $34 because 15% of $40 is $6
