Justin is pouring a concrete walkway around his
grandmother's rectangular garden. He wants the
walkway to be 3 feet wide all the way around. If
his grandmother's garden is 25 feet by 42 feet,
what is the area of the top of the walkway?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!