9.
It costs a family $324.00 to buy a 10-ft-by-12-ft rug. At this rate, what will it cost them to buy a 15-ft-by-18-ft rug?

$729.00
$270.00
$388.80
$466.56

10.
Hiram raises earthworms. In a square of compost 4 ft by 4 ft, he can have 1,000 earthworms. How many earthworms can he have if his square of compost has a side length that is 3 times longer?

12,000
3,000
9,000
36,000

Question

9.  
It costs a family $324.00 to buy a 10-ft-by-12-ft rug. At this rate, what will it cost them to buy a 15-ft-by-18-ft rug?  

    $729.00
    $270.00
    $388.80
    $466.56

10.  
Hiram raises earthworms. In a square of compost 4 ft by 4 ft, he can have 1,000 earthworms. How many earthworms can he have if his square of compost has a side length that is 3 times longer?  

    12,000
    3,000
    9,000
    36,000

destinymasha · Answer

1. 729   2. 3,000

anonymous · Answer

how did you get that? @Destinymasha

destinymasha · Answer

10 x 12 rug is 120 sq feet.
324 divided by 120 = $2.70 a sq foot
15 x 18 = 270 sq ft
270 times $2.70 = $729

destinymasha · Answer

did u understand