The price of jeans was reduced $7 per week for 4 weeks. By how much did the price of the jeans change

Mathematics

1 answer:

Paha777 [63]2 years ago

6 0

Answer:

$28

Step-by-step explanation:

The rate the jeans are reduced is $7 every week, if this continues for 4 weeks the total price of reduction for the jeans can be calculated by doing $7 x 4= $28.

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The sum of the digits of a two-digit number is 11. If the digits are reversed, the new number is 45 less than the original numbe

astra-53 [7]

Answer:

83.

Step-by-step explanation:

Let the digits be x and y so the number is xy.

x + y = 11

The new number is 45 less than the original number so

10y + x = 10x + y - 45

-9x + 9y = -45

-x + y = -5

x + y = 11 Adding:

2y = 6

y = 3

and x = 11/3 = 8.

So the number is 83.

7 0

3 years ago

What are coefficients in the expression 2+6+10b-8a

tiny-mole [99]

$\boldsymbol{Answer:}$ 10 and -8 ✅

$\boldsymbol{Step-by-step\;explanation:}$

Hii, do you need to know the co-efficients in the expression $"\boldsymbol{2+6+10b-8a}"$ ? No problem! (:

<h3><u>What are Co-efficients?</u></h3>

A "co-efficient" is a number that comes before a variable.

Here there are only two such numbers: "10" and "-8"; 10 comes before b, and -8 comes before a. 2 and 6 don't come before any variables at all, so they are not co-efficients.