8.the cost of four scarves and six hats is $52.00. the cost of two hats is $1.00 more than the cost of one
scarf. what is the cost of one scarf?

a.$4.00
b.$5.00
c.$6.00
d.$7.0

The answer is the option D

Step-by-step explanation:

Let

x------> the cost of one scarf

y-----> the cost of one hat

we know that

-----> equation A

----> equation B

Substitute equation B in equation A

Solve for x

therefore

the cost of one scarf is

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

21

step-by-step explanation: