Question

He fills the pencil holder with sand before he wraps it to make it feel like a heavy, expensive gift. How much sand will he need to "borrow" from his sister's sandbox to fill the pencil holder? *
1 point
a) 21 cubic inches
b) 7.5 cubic inches
c) 9.375 cubic inches
d) 10.5 cubic inches
e) 15 cubic inches
NEEEED help ASAP please!

Answer 1

Answer:

(a 21

Step-by-step explanation:

3 times 3.5=  10.5

10.5 times 2= 21

Answer 2

Answer:

d) 10.5 cubic inches

Step-by-step explanation:

$volume = \frac{1}{2} \times 3 \times 2 \times 3.5 \\ = 3 \times 3.5 \\ = 10.5 \: cubic \: inches$