On average, Jenny does five loads of washing per week. She buys a 1.2k box of Kapow! laundry powder. and can only use 60g a loadHow many weeks should the box of powder last for Jenny?

Answers

Answer 1
Answer: Given:
5 loads of washing per week
1.2kg box of laundry detergent 
60 g per load.

convert 1.2 kg to grams.
1 kg = 1000 grams

1.2 kg * 1,000g/1kg = 1,200 g
1,200 g / 60 g per load = 20 loads
20 loads / 5 loads per week = 4 weeks

It would take 4 weeks for a 1.2 kg box of Kapow! laundry powder to last.

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Help me factor the trinomial completely

-r^2+6r-9

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-r^2+6r-9 = - ( r^2 - 6r + 9) = - ( r - 3)^2;

What is 1/4 written as a percent

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1/4 is basically 25 cents if you think of quarters. Do .25=25%

How many dollars more is the price of a muffin than the price of a brownie at David's store

Answers

Here's something that will help you:

price per brownie: 18/6 = 3
There are $3 per brownie

price per muffin: 50/10 = $5

So a muffin is $2 more than the price of a brownie

Wouldn't it be A ????????

Answers

Yes I would agree with a

Which expression is equivalent to x^4-y^4?

Answers

x^4-y^4=(x^2)^2-(y^2)^2=(x^2-y^2)(x^2+y^2)\n\n=(x-y)(x+y)(x^2+y^2)\n\n\n\na^2-b^2=(a-b)(a+b)
x^4-y^4=(x^2)^2-(y^2)^2=(x^2-y^2)(x^2+y^2)=(x-y)(x+y)(x^2+y^2)

I really need help with that

Answers

Given:

1/8 x 4 = (1*4) / 8 = 4/8 = 1/4
1/4 x 3 = (1*3) / 4 = 3/4
3/8 x 2 = (3*2) / 8 = 6/8 = 3/4
1/2 x 3 = (1*3) / 2 = 3/2 = 1 1/2
5/8 x 1 = 5/8
7/8 x 1 = 7/8
3/4 x 1 = 3/4

Total number of tomatoes = 4 + 3 + 2 + 3 + 1 + 1 + 1 = 15 tomatoes
Total weight = 1/4 + 3/4 + 3/4 + 3/2 + 5/8 + 7/8 + 3/4

1/4 * 2/2 = 4/8
3/4 * 2/2 = 6/8
3/2 * 4/4 = 12/8

4/8 + 6/8 + 6/8 + 12/8 + 5/8 + 7/8 + 6/8 = 46/8 total weight in pounds

46/8 รท 15 tomatoes = 46/8 * 1/15 = 46/120 = 23/60 average weight per tomato