<span>2/3 of the rocks are metamorphic
</span><span>3/4 of the remainder are igneous rocks
</span><span>3 rocks left over are sedimentary
the rocks that deSean has are
2/3+3/4+3= 4x2+3x3/3x4 + 3 = 17+36 /12 = 20
</span><span>DeSean had 20 rocks </span>
Answer:
$26.32
step-by-step explanation:
it originally was $40.00
she has a coupon for 30%
30% of 40.00 is 12
40 • 0.30 = 12
40 - 12
$28
it is now $28 after the coupon
her state charges an 6% sales tax on the discounted price
6% of 28 is 1.68
28 • 0.06 = 1.68
28 - 1.68 = 26.32
Answer:
45
Step-by-step explanation:
(
3
√
5
)
2
9
√
5
2
Rewrite
√
5
2
as
5
.
9
⋅
5
Multiply
9
by
5
.
45
Answer:
x=3/4 ; y=5/3
Step-by-step explanation:
3x + 5x = 6
8x=6
x=6/8
x=3/4
4(3/4) + 3y = 8
3+3y=8
3y=5
y=5/3
