3. when sharon began shopping this morning, she had $40.00. she purchased five paperback books and had lunch. the books were all the same price, and lunch cost $3.25. she now has $7.00 left over. what was the price of each of the books? a. $5.95 b. $7.35 c. $6.60 d. $8.75

a

step-by-step explanation:

rurbrbrjrnrbjr

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

answer:   (s+1)(s+4)

step-by-step explanation:

factor s2+5s+4

s2+5s+4

=(s+1)(s+4)