Respuesta :
Answer:
Step-by-step explanation:
b = number of boys
the sum of the number of boys and 15 girls
" the sum " means add
ur expression is : b + 15 <===
Answer:
Step-by-step explanation:
b = number of boys
the sum of the number of boys and 15 girls
" the sum " means add
ur expression is : b + 15 <===