Which equation could be used to solve this problem?

kate weighs 3 times as much as jen. their total weight is 140 pounds. how much does each girl weigh?
a) 140 = 3x
b) 3x + x = 140
c) 3x - x = 140
d) x - 140 = 3x

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

This question awards 100 ! i really don’t want to fail i will also mark you !

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.