A sparkling-water distributer wants to make up to 200 gal of sparkling water to sell for $5.00 per gallon. She wishes to mix three grades of water selling for $10.00, $1.00 and $4.50 per gallon, respectively. She must use twice as much of the $4.50 water as the $1.00 water. How many gallons of each should she use?

Which statements about these triangles is true

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

The product of sin 30 degrees and sin 60 degrees is same as the product of