Answer: y=7+2x
Step-by-step explanation: Divide 5 by all. 5y/5=35/5 +10x/5.
Mark reads about 350 (D) wpm
Explanation:
700 words x 10 pages= 7000 words
7000 words/ 20 minutes
= 350 wpm
Answer:
a. 8
b. 114
Step-by-step explanation:
a.
36/6 = 48/x
36x = 288
x = 8
b.
12/72 = 19/x
1/6 = 19/x
x = 114
Answer:
Person A made 108 cupcakes and person B made 60 cupcakes.
Step-by-step explanation:
Person A makes 1 cupcake in 5 minutes.
Say in x minutes A makes :
cupcakes
Person B makes 1 cupcake in 9 minutes.
Say in x minutes B makes :
cupcakes
Total cupcakes prepared by A and B in x minutes = 168
![\frac{x}{5}+\frac{x}{9}=168](https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B5%7D%2B%5Cfrac%7Bx%7D%7B9%7D%3D168)
![\frac{14x}{45}=168](https://tex.z-dn.net/?f=%5Cfrac%7B14x%7D%7B45%7D%3D168)
![x=\frac{168\times 45}{14}=540](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B168%5Ctimes%2045%7D%7B14%7D%3D540)
So, cupcakes made by A = ![\frac{540}{5}=108](https://tex.z-dn.net/?f=%5Cfrac%7B540%7D%7B5%7D%3D108)
Cupcakes made by B = ![\frac{540}{9}=60](https://tex.z-dn.net/?f=%5Cfrac%7B540%7D%7B9%7D%3D60)
Person A made 108 cupcakes and person B made 60 cupcakes.