John baked 12 cakes, 50 muffins, and 42 pastries on friday. his goal for saturday is to bake 3 times as many of each item. if represents his production for friday, which matrix represents his production for saturday?

X_sat   =

Step-by-step explanation:

Let,

x = number of cakes produced

y = number of muffins produced

z = number of pastries produced

Friday

x = 12

y = 50

z = 42

X =production

X_friday =  =

His goal for Saturday is to bake 3 times as many of each item

X_sat = 3*X_friday

X_sat  = 3*  

X_sat   =   

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

so, converting firstly the mixed fractions to improper fractions and then "adding".