Her brother sent C. 490 messages.
In order to find this, we need to set it up as a proportion. Once we have done that, we can cross multiply and solve for the unknown variable.
(4/7) = (280/x) -----> Cross multiply.
4 * x = 7 * 280
4x = 1960
x = 490
Answer:
Step-by-step explanation:
Hello, please consider the following.
For any x real number different from 0, we can write.
And this is defined for 2y-1 different from 0, meaning y different from 1/2
Thank you.
Answer:
24 is 75% of 32
Step-by-step explanation:
To get the percent in decimal form we divide 24 by 32
24 ÷ 32 = 0.75
To get the decimal into a percent we multiply it by 100
0.75 × 100 = 75
4 is missing I assume. But I could be wrong
C. The 2 in the denominator turns into -2 and you just take the coefficients directly from the numerator.
