The second to last statement: he needed to divide both sides of the equation by 5
Since we want to isolate a, which is multiplied to 5, we want to do the opposite which is divide by 5.
Answer:
4a=23
4a/4 = 23/4
a=5.75
Step-by-step explanation:
57 = 3 * 19 so he drank 97 * 3 = 291 calories (answer)
√361=19