Answer:
for every 2 tables there are 10 chairs, so for 12 tables there are 60 chairs
Answer: she is 60 years old because 48+12=60 yrs old now
Parallel lines has equal slopes.
Line y = 3x + 2 has a slope of 3.
Required equation is y - 8 = 3(x - 5)
y = 3x - 15 + 8
y = 3x - 7