Abig diamond company pulverizes 156 tons of rock every 2 ounces of diamonds it finds. how many tons of rock must it grind up in order to locate 20 ounces of diamonds.

1,560

Step-by-step explanation:

156=2

2x10=20

156x10=1560

156 times 10 thats your answer

Step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get