A. 5×20
x=100
check
100/5=20
20=20
b. 15=30/2
×2. ×2
30=30.
check.
30/2=15
15=15
Hope this helps..
More cars, more affucient society.
In both cultures, the basis of their economy was agriculture. But this was very difficult to carry out due to the geographical conditions in which they were. They were located in an area where the climate was very dry, the land was scarce and there was very little water to irrigate those lands. Both Chavin and Nazca solved this by using underground aqueducts to transport water and, therefore, irrigate the crops permanently. Then, the most important reason why they resorted to this mechanism is the lack of water to irrigate the crops.
White supremacists carried medieval signs in Charlottesville because the miedeval signs are used by people in France and Britain to represent a time of racial purity in their country that never existed and never will exist. In general, white supremacists just want to make up fantasies of a time that never existed with the miedeval signs.