40 and 21 do not have common factors, except for one. So the answer is 1.
Answer:
Jane needs to work 7.7 hours
Step-by-step explanation:
Jane needs $1500
She already has $345
$1500 - $345 = $1155
She needs $1155
Jane makes $150 per hour
$1155 ÷ $150 = 7.7 hours
7.7 hours
Hope this helps :)
It is 12,5 percent, because
28/100=0.28=1 percent
28-24.5=3.5
3.5/0.28=12.5
Enjoy
Your marked down price would be $562.02. I included a picture of how I got that, but I'll try to explain it as well. 0.87 in a percentage is 87% (I know this because in order to get a percentage you multiply 0.87 by 100 and get 87%). Once I did that I set up a ratio where I made 100% and $646.00 equal to each other because that is the original price. And I made 87% equal to nothing or if you want to you can put x there. I then cross multiplied 87 and 646 which gave me 56202, and then divided that number by 100 which gave me my answer of $562.02, which is 87% of your original price.
It’s B because
Explanation: Since they've given use the area of the triangle, we can use the area formula to find the base of the triangle. The formula to find the area of a triangle is: a=12hb.