Step-by-step explanation:
are two triangles ABC and A’B’C’ congruent ich hc = h‘c and sc = s‘c and alpha= alpha
You buy 7 books
3b+5=26
*subtract 5 to the 26 side*
3b=21
Now divide 21 by 3
B=7
So there are 7 books bought. ^^
I think the first one c and the second one a
Answer:
-b = 14
-n = 28
Step-by-step explanation:
For b
50/100=b/28 cross-multiply
1400= 100b divide both sides by hundred
-b = 14
For n
25/100= 7/n cross multiply
25n = 700 divide both sides by 25
-n = 28