The regular price of an item at a store is p dollars. The item is on sale for 30% off the regular price. Some of the expressions shown below represent the sale price, in dollars, of the item.
Expression A : 0.7p
Expression B : 0.3p
Expression C : 1 − 0.3p
Expression D : p − 0.7p
Expression E : p − 0.3p
Which two expressions each represent the sale price of the item?

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405