Simplify 8X +7 - 2X -4

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

If 20% of a number is 35, what is 50% of that number?

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct