JN02
03.08.2019 •
Mathematics
George was able to solve 36 math problems in 15 minutes. urban was able to solve 42 math problems in 20 minutes. who was able to solve math problems at a greater rate? what was the rate?
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Ответ:
Ответ:
p = 46
Plug in 46 for 'p' in the first equation.
z = 114 + 2p
z = 114 + 2(46)
Multiply:
z = 114 + 92
Add:
z = 206
So the Zigzag river is 206 miles long.