91-93;96-98;101-103
91. 20 – 100% 20-15=5
5*100/20=25
92. 25 – 100% 25-20=5
5*100/25=20
93. 30 – 100% 30-25=5
5*100/30=16,667
96. 15 – 100% 20-15=5
5*100/15=33,333
97. 20 – 100% 25-2=5
5*100/20=25
98. 25 – 100% 30-25=5
5*100/25=20
101. 48*20/100=9,6
102. 36*25/100=9
103. 64*40/100=25,6
106-108; 111-113
106. 12 – 20%
12*5=60- 100%
107. 15 – 25%
15*4=60- 100%
108. 45 – 30%
45*100/30=150
111. 2*100/10=20
112. 4*100/20=20
113. 8*100/32=25
116-119;126-129;136-138
116. 25 – 100%
25*120/100=30
117. 28 – 100%
28*125/100=35
118. 32 – 100%
32*140/100=44,8
119. 48-100%
48*160/100=76,8
126. 25 – 100% 25-20=5
5*100/25=20
127. 10 – 100% 10-8=2
2*100/10=20
128. 32 – 100% 32-28=4
4*100/32=12,5
129. 45 – 100% 45-30=15
15*100/45=33,33
136. 16*3/4=12
137. 20*4/5=16
138. 30*7/10=21
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