Question

if 5 similar exercise book cost $4.00 find the cost of:(a) exercise book, (b)6 exercise books,(c)8 exercise books ,(d) 9 exercise books,(e) 10 exercise books

Answer 1

Answer:

a)Cost of one exercise book = 4/5 = $0.80

b) Cost of 6 exercise books= 0.80*6 = $4.80

c)Cost of 8 exercise books = 0.80*8 = $6.40.

d) cost of 9 exercise books = 0.80*9 = $7.20.

e)Cost of 10 exercise books= 0.80*10 = $8.00

If it helps mark it as brainliest giving 5 stars.

Answer 2

Answer:

a)$4/5

b)$4.8

c)$6.4

d)$7.2

e)$8

Step-by-step explanation:

the cost of 5 booksis$4.00

________1_______$4/5

________6_______$4/5×6

$24/5=$4.8

________8________$4/5×8=$6.4

________9________$4/5×9=$7.2

________10________$4/5×10=8