Answer:
1lb. = $1.60
7lb. = $11.20
Step-by-step explanation:
$<u>1</u><u>2</u><u>.</u><u>8</u><u>0</u> = <u>x</u>
8 1
cross multiply
8x= $12.80
divide $12.80÷8x
x= $1.60
Answer:
4b
Step-by-step explanation:
that's the correct answer
Let
x-------> √150
so
x²=150
we know that
10²=100
11²=121
12²=144
13²=169
x²=150
so
x< 13
x> 12
12< x<13
<span>the value of x is in the interval (12,13)
</span>
----------*----------------------*----------*--------------*-------------------*------
11 12 √150 13 14
Answer:
The jump rope cost $8.79 before the sale.
Step-by-step explanation:
She spent 15.08 on 2 while they were on sale. I divided 15.08 by 2 to find what each one cost individually on sale, which is $7.54. Then add $1.25 to $7.54= $8.79