While training for a marathon, Keith's watch reported how many calories he burned at each mile marker. For 1 mile he burns 117 calories what is the constant of proportionality? Write an equation that represents the relationship between the number of miles and calories burned.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8