I would say (I am abbreviating square root to sqrt)
1. 4 sqrt(8488) = 4 sqrt(2x2x2122) = 8 sqrt(2122)
2. 3 sqrt(6936) = 3 sqrt(6x34x34) = 102 sqrt (6)
3. 2 sqrt(8648) = 2 sqrt(2x2x2162) = 4 sqrt(2162)
Answer:
$14
Step-by-step explanation:
80% of $70 is $14, saving him $56
Find 10% then times it by four then find 4% and add it on to get 320.21
Just put down no solution. It's unsolvable.
