Challenge: During November, a farmer
bought 350 chickens to add to his current
flock. At the end of the month he sold 90% of
his total flock and he now has 140 chickens.
How many did he have at the beginning of
November?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer