My son is seven times older than my grandson and i am 12 times older than my grandson. if you add all our ages together, the sum is 100 years. can you tell me how old i am?

What is another way to express 36 +32

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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!