Parker spent half of his weekly allowance on the new "Among Us" Game. To earn more money his parents let him shovel the snow for $4. What is his weekly allowance if he ended with 12? What equation below would you use to solve the word problem above?

w= the amount of Parker's weekly allowance

Group of answer choices

1/2 + 4 =12

w + 4+ 1/2 =12

1/2w + 4 =12

12 + 4w =1/2

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.