14.2 x (-6) ÷ 15 x (-4) ÷ 0.4
Answer:
the cost of the table is
the cost of the chair is
Step-by-step explanation:
Let
x-----> the cost of the table
y----> the cost of the chair
we know that
-----> equation A
-----> equation B
substitute equation B in equation A
Find the value of x
---->