Answer:
x=45
Step-by-step explanation:
2(2x+30)+2(x+15)=360
4x+60+2x+30=360
6x+90=360
6x=360-90
6x=270
x=45
Answer: she could cut 7 shelves from the board and there were 20 cm left
Step-by-step explanation: each meter is 100 cm davide 300 by 40
Answer:
I only have number 9 it is less
Step-by-step explanation:
It is less than a half because there are four blocks half of four is two. It is not equal because only one box is filled and it is not more because there is not more than two boxes filled.
sorry i cant tell you the other ones
Answer:
90.2
Step-by-step explanation:
The number of number of house holds have pets will be 21450 when 20,735 households do not have pets.
What is proportion ?
A proportion is an equation based on the equality of two ratios.
It is given that the ratio of the households with pets to house holds without pets is 30 to 29 and if 20,735 households do not have pets then it is find the number of number of house holds have pets. It can be find out using the ratio correlation :
That is , 29 is the ratio of house holds without pets ⇒ 20735
1 unit of house holds without pet ⇒ 20735/29 = 715 house hold
Now, the ratio of households with pets ⇒ 30 x 715 = 21450 house hold
Therefore, the number of number of house holds have pets will be 21450 when 20,735 households do not have pets.
Read more about ratio at:
brainly.com/question/17869111
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