Sagot :
Answer:
let x the amount hesvann spent at bookstore.
350-70=3x
x=93.33
3x= 279.99 the amount hesvann spent at bookstore
checking:
350 spent at market
to sum it up when you add 3x plus the 70 pesos it should be equal to the amount he spent in market
279.99+70=349.99 or 350 ✓