Given that y varies inversely with x, then:
y=k/x
where
k is the constant of proportionality:
k=yx
hence, given that x=28 when y=2, then the value of k will be:
k=28×2
k=56

Answer: k=56

3 0

3 years ago

The cost of two tables and three chairs is $705. If the table costs $40 more than the chair,find the cost of the table and the c

Nadusha1986 [10]

Answer:

the cost of the table is $\$165$

the cost of the chair is $\$125$

Step-by-step explanation:

Let

x-----> the cost of the table

y----> the cost of the chair

we know that

$2x+3y=705$ -----> equation A

$x=y+40$ -----> equation B

substitute equation B in equation A

$2(y+40)+3y=705$

$2y+80+3y=705$

$5y=705-80$

$y=625/5$

$y=\$125$

Find the value of x

$x=y+40$ ----> $x=125+40=\$165$

8 0

2 years ago

Think about the needs in my community

aliya0001 [1]

Answer:

its not an mathematical ques

tion

3 0

2 years ago