Answer:
91
Step-by-step explanation:
Set up a proportion, where x is the number of push ups she can do in 7 minutes
= 
Cross multiply and solve for x:
5x = 455
x = 91
So, Jade can do 91 push ups in 7 minutes
Answer:
False
Step-by-step explanation:
If x is a negative number then it will stay the same. If it is a positive number then it depends.
4a + 3 = 11...subtract 3 from both sides
4a + 3 - 3 = 11 - 3...simplify
4a = 8 ....divide both sides by 4
(4/4)a = 8/4...simplify
1a, or just a = 2 <==
Es 44. Esta página está en inglés, entonces nadie te va a responder la pregunta D=. Deberían de hacer una versión en español de esta página.
