Dalia owns a gravel pit. she took a random sample of rocks and counted 58 sedimentary rocks, 213 metamorphic rocks, and 522 igneous rocks.

Sedimentary:0.07

Metamorphic:0.27

Igneous: 0.66  

Step-by-step explanation: First you add the total of rocks in all.

58+213+522=793

Then you would divide that amount of each different rocks by 793

so 58/793=0.07

213/793=0.27

522/793=0.66

0.07

0.27

0.66  

Step-by-step explanation:

Khan

50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24