A teacher asked his three students, Tom Helen and Sandy to complete 200 exercises the ratio of the exercises completed by Helen to the exercises completed by Sandy is 3:3:4. Tom receives 5 points for each completed exercise. Sandy receives 8 points for each exercise. If the three students altogether receive 1240 points, how many points does Helen receive for a completed exercise?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Three times the sum of a number and seven is negative thirty-six. what is the 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