Z=1.5
need anymore help be sure to ask me :)
Answer:
yes they form a proportion
Step-by-step explanation:
1 to 3 and 7 to 21 are equal
we can check this by multiplying each number in the 1 to 3 ratio by 7 to make it equal with the other ratio, 7 to 21.
(sorry if this is confusing but I hope it helped)
Answer:
12,588, keyboards are sold each year in Montana
Well put 34 units on the left vertically and 17 units on the bottom hoizontially... fill it up and count how many you have